| R00 | Abnormalities of heart beat |
| R00.0 | Tachycardia, unspecified |
| R00.1 | Bradycardia, unspecified |
| R00.2 | Palpitations |
| R00.8 | Other abnormalities of heart beat |
| R00.9 | Unspecified abnormalities of heart beat |
| R01 | Cardiac murmurs and other cardiac sounds |
| R01.0 | Benign and innocent cardiac murmurs |
| R01.1 | Cardiac murmur, unspecified |
| R01.2 | Other cardiac sounds |
| R03 | Abnormal blood-pressure reading, without diagnosis |
| R03.0 | Elevated blood-pressure reading, without diagnosis of hypertension |
| R03.1 | Nonspecific low blood-pressure reading |
| R04 | Hemorrhage from respiratory passages |
| R04.0 | Epistaxis |
| R04.1 | Hemorrhage from throat |
| R04.2 | Hemoptysis |
| R04.8 | Hemorrhage from other sites in respiratory passages |
| R04.81 | Acute idiopathic pulmonary hemorrhage in infants |
| R04.89 | Hemorrhage from other sites in respiratory passages |
| R04.9 | Hemorrhage from respiratory passages, unspecified |
| R05 | Cough |
| R06 | Abnormalities of breathing |
| R06.0 | Dyspnea |
| R06.00 | Dyspnea, unspecified |
| R06.01 | Orthopnea |
| R06.02 | Shortness of breath |
| R06.09 | Other forms of dyspnea |
| R06.1 | Stridor |
| R06.2 | Wheezing |
| R06.3 | Periodic breathing |
| R06.4 | Hyperventilation |
| R06.5 | Mouth breathing |
| R06.6 | Hiccough |
| R06.7 | Sneezing |
| R06.8 | Other abnormalities of breathing |
| R06.81 | Apnea, not elsewhere classified |
| R06.82 | Tachypnea, not elsewhere classified |
| R06.83 | Snoring |
| R06.89 | Other abnormalities of breathing |
| R06.9 | Unspecified abnormalities of breathing |
| R07 | Pain in throat and chest |
| R07.0 | Pain in throat |
| R07.1 | Chest pain on breathing |
| R07.2 | Precordial pain |
| R07.8 | Other chest pain |
| R07.81 | Pleurodynia |
| R07.82 | Intercostal pain |
| R07.89 | Other chest pain |
| R07.9 | Chest pain, unspecified |
| R09 | Other symptoms and signs involving the circulatory and respiratory system |
| R09.0 | Asphyxia and hypoxemia |
| R09.01 | Asphyxia |
| R09.02 | Hypoxemia |
| R09.1 | Pleurisy |
| R09.2 | Respiratory arrest |
| R09.3 | Abnormal sputum |
| R09.8 | Other specified symptoms and signs involving the circulatory and respiratory systems |
| R09.81 | Nasal congestion |
| R09.82 | Postnasal drip |
| R09.89 | Other specified symptoms and signs involving the circulatory and respiratory systems |
| R10 | Abdominal and pelvic pain |
| R10.0 | Acute abdomen |
| R10.1 | Pain localized to upper abdomen |
| R10.10 | Upper abdominal pain, unspecified |
| R10.11 | Right upper quadrant pain |
| R10.12 | Left upper quadrant pain |
| R10.13 | Epigastric pain |
| R10.2 | Pelvic and perineal pain |
| R10.3 | Pain localized to other parts of lower abdomen |
| R10.30 | Lower abdominal pain, unspecified |
| R10.31 | Right lower quadrant pain |
| R10.32 | Left lower quadrant pain |
| R10.33 | Periumbilical pain |
| R10.8 | Other abdominal pain |
| R10.81 | Abdominal tenderness |
| R10.811 | Right upper quadrant abdominal tenderness |
| R10.812 | Left upper quadrant abdominal tenderness |
| R10.813 | Right lower quadrant abdominal tenderness |
| R10.814 | Left lower quadrant abdominal tenderness |
| R10.815 | Periumbilic abdominal tenderness |
| R10.816 | Epigastric abdominal tenderness |
| R10.817 | Generalized abdominal tenderness |
| R10.819 | Abdominal tenderness, unspecified site |
| R10.82 | Rebound abdominal tenderness |
| R10.821 | Right upper quadrant rebound abdominal tenderness |
| R10.822 | Left upper quadrant rebound abdominal tenderness |
| R10.823 | Right lower quadrant rebound abdominal tenderness |
| R10.824 | Left lower quadrant rebound abdominal tenderness |
| R10.825 | Periumbilic rebound abdominal tenderness |
| R10.826 | Epigastric rebound abdominal tenderness |
| R10.827 | Generalized rebound abdominal tenderness |
| R10.829 | Rebound abdominal tenderness, unspecified site |
| R10.83 | Colic |
| R10.84 | Generalized abdominal pain |
| R10.9 | Unspecified abdominal pain |
| R11 | Nausea and vomiting |
| R11.0 | Nausea |
| R11.1 | Vomiting |
| R11.10 | Vomiting, unspecified |
| R11.11 | Vomiting without nausea |
| R11.12 | Projectile vomiting |
| R11.13 | Vomiting of fecal matter |
| R11.14 | Bilious vomiting |
| R11.2 | Nausea with vomiting, unspecified |
| R12 | Heartburn |
| R13 | Aphagia and dysphagia |
| R13.0 | Aphagia |
| R13.1 | Dysphagia |
| R13.10 | Dysphagia, unspecified |
| R13.11 | Dysphagia, oral phase |
| R13.12 | Dysphagia, oropharyngeal phase |
| R13.13 | Dysphagia, pharyngeal phase |
| R13.14 | Dysphagia, pharyngoesophageal phase |
| R13.19 | Other dysphagia |
| R14 | Flatulence and related conditions |
| R14.0 | Abdominal distension (gaseous) |
| R14.1 | Gas pain |
| R14.2 | Eructation |
| R14.3 | Flatulence |
| R15 | Fecal incontinence |
| R15.0 | Incomplete defecation |
| R15.1 | Fecal smearing |
| R15.2 | Fecal urgency |
| R15.9 | Full incontinence of feces |
| R16 | Hepatomegaly and splenomegaly, not elsewhere classified |
| R16.0 | Hepatomegaly, not elsewhere classified |
| R16.1 | Splenomegaly, not elsewhere classified |
| R16.2 | Hepatomegaly with splenomegaly, not elsewhere classified |
| R17 | Unspecified jaundice |
| R18 | Ascites |
| R18.0 | Malignant ascites |
| R18.8 | Other ascites |
| R19 | Other symptoms and signs involving the digestive system and abdomen |
| R19.0 | Intra-abdominal and pelvic swelling, mass and lump |
| R19.00 | Intra-abdominal and pelvic swelling, mass and lump, unspecified site |
| R19.01 | Right upper quadrant abdominal swelling, mass and lump |
| R19.02 | Left upper quadrant abdominal swelling, mass and lump |
| R19.03 | Right lower quadrant abdominal swelling, mass and lump |
| R19.04 | Left lower quadrant abdominal swelling, mass and lump |
| R19.05 | Periumbilic swelling, mass or lump |
| R19.06 | Epigastric swelling, mass or lump |
| R19.07 | Generalized intra-abdominal and pelvic swelling, mass and lump |
| R19.09 | Other intra-abdominal and pelvic swelling, mass and lump |
| R19.1 | Abnormal bowel sounds |
| R19.11 | Absent bowel sounds |
| R19.12 | Hyperactive bowel sounds |
| R19.15 | Other abnormal bowel sounds |
| R19.2 | Visible peristalsis |
| R19.3 | Abdominal rigidity |
| R19.30 | Abdominal rigidity, unspecified site |
| R19.31 | Right upper quadrant abdominal rigidity |
| R19.32 | Left upper quadrant abdominal rigidity |
| R19.33 | Right lower quadrant abdominal rigidity |
| R19.34 | Left lower quadrant abdominal rigidity |
| R19.35 | Periumbilic abdominal rigidity |
| R19.36 | Epigastric abdominal rigidity |
| R19.37 | Generalized abdominal rigidity |
| R19.4 | Change in bowel habit |
| R19.5 | Other fecal abnormalities |
| R19.6 | Halitosis |
| R19.7 | Diarrhea, unspecified |
| R19.8 | Other specified symptoms and signs involving the digestive system and abdomen |
| R20 | Disturbances of skin sensation |
| R20.0 | Anesthesia of skin |
| R20.1 | Hypoesthesia of skin |
| R20.2 | Paresthesia of skin |
| R20.3 | Hyperesthesia |
| R20.8 | Other disturbances of skin sensation |
| R20.9 | Unspecified disturbances of skin sensation |
| R21 | Rash and other nonspecific skin eruption |
| R22 | Localized swelling, mass and lump of skin and subcutaneous tissue |
| R22.0 | Localized swelling, mass and lump, head |
| R22.1 | Localized swelling, mass and lump, neck |
| R22.2 | Localized swelling, mass and lump, trunk |
| R22.3 | Localized swelling, mass and lump, upper limb |
| R22.30 | Localized swelling, mass and lump, unspecified upper limb |
| R22.31 | Localized swelling, mass and lump, right upper limb |
| R22.32 | Localized swelling, mass and lump, left upper limb |
| R22.33 | Localized swelling, mass and lump, upper limb, bilateral |
| R22.4 | Localized swelling, mass and lump, lower limb |
| R22.40 | Localized swelling, mass and lump, unspecified lower limb |
| R22.41 | Localized swelling, mass and lump, right lower limb |
| R22.42 | Localized swelling, mass and lump, left lower limb |
| R22.43 | Localized swelling, mass and lump, lower limb, bilateral |
| R22.9 | Localized swelling, mass and lump, unspecified |
| R23 | Other skin changes |
| R23.0 | Cyanosis |
| R23.1 | Pallor |
| R23.2 | Flushing |
| R23.3 | Spontaneous ecchymoses |
| R23.4 | Changes in skin texture |
| R23.8 | Other skin changes |
| R23.9 | Unspecified skin changes |
| R25 | Abnormal involuntary movements |
| R25.0 | Abnormal head movements |
| R25.1 | Tremor, unspecified |
| R25.2 | Cramp and spasm |
| R25.3 | Fasciculation |
| R25.8 | Other abnormal involuntary movements |
| R25.9 | Unspecified abnormal involuntary movements |
| R26 | Abnormalities of gait and mobility |
| R26.0 | Ataxic gait |
| R26.1 | Paralytic gait |
| R26.2 | Difficulty in walking, not elsewhere classified |
| R26.8 | Other abnormalities of gait and mobility |
| R26.81 | Unsteadiness on feet |
| R26.89 | Other abnormalities of gait and mobility |
| R26.9 | Unspecified abnormalities of gait and mobility |
| R27 | Other lack of coordination |
| R27.0 | Ataxia, unspecified |
| R27.8 | Other lack of coordination |
| R27.9 | Unspecified lack of coordination |
| R29 | Other symptoms and signs involving the nervous and musculoskeletal systems |
| R29.0 | Tetany |
| R29.1 | Meningismus |
| R29.2 | Abnormal reflex |
| R29.3 | Abnormal posture |
| R29.4 | Clicking hip |
| R29.5 | Transient paralysis |
| R29.6 | Repeated falls |
| R29.8 | Other symptoms and signs involving the nervous and musculoskeletal systems |
| R29.81 | Other symptoms and signs involving the nervous system |
| R29.810 | Facial weakness |
| R29.818 | Other symptoms and signs involving the nervous system |
| R29.89 | Other symptoms and signs involving the musculoskeletal system |
| R29.890 | Loss of height |
| R29.891 | Ocular torticollis |
| R29.898 | Other symptoms and signs involving the musculoskeletal system |
| R29.9 | Unspecified symptoms and signs involving the nervous and musculoskeletal systems |
| R29.90 | Unspecified symptoms and signs involving the nervous system |
| R29.91 | Unspecified symptoms and signs involving the musculoskeletal system |
| R30 | Pain associated with micturition |
| R30.0 | Dysuria |
| R30.1 | Vesical tenesmus |
| R30.9 | Painful micturition, unspecified |
| R31 | Hematuria |
| R31.0 | Gross hematuria |
| R31.1 | Benign essential microscopic hematuria |
| R31.2 | Other microscopic hematuria |
| R31.9 | Hematuria, unspecified |
| R32 | Unspecified urinary incontinence |
| R33 | Retention of urine |
| R33.0 | Drug induced retention of urine |
| R33.8 | Other retention of urine |
| R33.9 | Retention of urine, unspecified |
| R34 | Anuria and oliguria |
| R35 | Polyuria |
| R35.0 | Frequency of micturition |
| R35.1 | Nocturia |
| R35.8 | Other polyuria |
| R36 | Urethral discharge |
| R36.0 | Urethral discharge without blood |
| R36.1 | Hematospermia |
| R36.9 | Urethral discharge, unspecified |
| R37 | Sexual dysfunction, unspecified |
| R39 | Other and unspecified symptoms and signs involving the genitourinary system |
| R39.0 | Extravasation of urine |
| R39.1 | Other difficulties with micturition |
| R39.11 | Hesitancy of micturition |
| R39.12 | Poor urinary stream |
| R39.13 | Splitting of urinary stream |
| R39.14 | Feeling of incomplete bladder emptying |
| R39.15 | Urgency of urination |
| R39.16 | Straining to void |
| R39.19 | Other difficulties with micturition |
| R39.2 | Extrarenal uremia |
| R39.8 | Other symptoms and signs involving the genitourinary system |
| R39.81 | Functional urinary incontinence |
| R39.89 | Other symptoms and signs involving the genitourinary system |
| R39.9 | Unspecified symptoms and signs involving the genitourinary system |
| R40 | Somnolence, stupor and coma |
| R40.0 | Somnolence |
| R40.1 | Stupor |
| R40.2 | Coma |
| R40.20 | Unspecified coma |
| R40.21 | Coma scale, eyes open |
| R40.211 | Coma scale, eyes open, never |
| R40.212 | Coma scale, eyes open, to pain |
| R40.213 | Coma scale, eyes open, to sound |
| R40.214 | Coma scale, eyes open, spontaneous |
| R40.22 | Coma scale, best verbal response |
| R40.221 | Coma scale, best verbal response, none |
| R40.222 | Coma scale, best verbal response, incomprehensible words |
| R40.223 | Coma scale, best verbal response, inappropriate words |
| R40.224 | Coma scale, best verbal response, confused conversation |
| R40.225 | Coma scale, best verbal response, oriented |
| R40.23 | Coma scale, best motor response |
| R40.231 | Coma scale, best motor response, none |
| R40.232 | Coma scale, best motor response, extension |
| R40.233 | Coma scale, best motor response, abnormal |
| R40.234 | Coma scale, best motor response, flexion withdrawal |
| R40.235 | Coma scale, best motor response, localizes pain |
| R40.236 | Coma scale, best motor response, obeys commands |
| R40.24 | Glasgow coma scale, total score |
| R40.241 | Glasgow coma scale score 13-15 |
| R40.242 | Glasgow coma scale score 9-12 |
| R40.243 | Glasgow coma scale score 3-8 |
| R40.244 | Other coma, without documented Glasgow coma scale score, or with partial score reported |
| R40.3 | Persistent vegetative state |
| R40.4 | Transient alteration of awareness |
| R41 | Other symptoms and signs involving cognitive functions and awareness |
| R41.0 | Disorientation, unspecified |
| R41.1 | Anterograde amnesia |
| R41.2 | Retrograde amnesia |
| R41.3 | Other amnesia |
| R41.4 | Neurologic neglect syndrome |
| R41.8 | Other symptoms and signs involving cognitive functions and awareness |
| R41.81 | Age-related cognitive decline |
| R41.82 | Altered mental status, unspecified |
| R41.83 | Borderline intellectual functioning |
| R41.84 | Other specified cognitive deficit |
| R41.840 | Attention and concentration deficit |
| R41.841 | Cognitive communication deficit |
| R41.842 | Visuospatial deficit |
| R41.843 | Psychomotor deficit |
| R41.844 | Frontal lobe and executive function deficit |
| R41.89 | Other symptoms and signs involving cognitive functions and awareness |
| R41.9 | Unspecified symptoms and signs involving cognitive functions and awareness |
| R42 | Dizziness and giddiness |
| R43 | Disturbances of smell and taste |
| R43.0 | Anosmia |
| R43.1 | Parosmia |
| R43.2 | Parageusia |
| R43.8 | Other disturbances of smell and taste |
| R43.9 | Unspecified disturbances of smell and taste |
| R44 | Other symptoms and signs involving general sensations and perceptions |
| R44.0 | Auditory hallucinations |
| R44.1 | Visual hallucinations |
| R44.2 | Other hallucinations |
| R44.3 | Hallucinations, unspecified |
| R44.8 | Other symptoms and signs involving general sensations and perceptions |
| R44.9 | Unspecified symptoms and signs involving general sensations and perceptions |
| R45 | Symptoms and signs involving emotional state |
| R45.0 | Nervousness |
| R45.1 | Restlessness and agitation |
| R45.2 | Unhappiness |
| R45.3 | Demoralization and apathy |
| R45.4 | Irritability and anger |
| R45.5 | Hostility |
| R45.6 | Violent behavior |
| R45.7 | State of emotional shock and stress, unspecified |
| R45.8 | Other symptoms and signs involving emotional state |
| R45.81 | Low self-esteem |
| R45.82 | Worries |
| R45.83 | Excessive crying of child, adolescent or adult |
| R45.84 | Anhedonia |
| R45.85 | Homicidal and suicidal ideations |
| R45.850 | Homicidal ideations |
| R45.851 | Suicidal ideations |
| R45.86 | Emotional lability |
| R45.87 | Impulsiveness |
| R45.89 | Other symptoms and signs involving emotional state |
| R46 | Symptoms and signs involving appearance and behavior |
| R46.0 | Very low level of personal hygiene |
| R46.1 | Bizarre personal appearance |
| R46.2 | Strange and inexplicable behavior |
| R46.3 | Overactivity |
| R46.4 | Slowness and poor responsiveness |
| R46.5 | Suspiciousness and marked evasiveness |
| R46.6 | Undue concern and preoccupation with stressful events |
| R46.7 | Verbosity and circumstantial detail obscuring reason for contact |
| R46.8 | Other symptoms and signs involving appearance and behavior |
| R46.81 | Obsessive-compulsive behavior |
| R46.89 | Other symptoms and signs involving appearance and behavior |
| R47 | Speech disturbances, not elsewhere classified |
| R47.0 | Dysphasia and aphasia |
| R47.01 | Aphasia |
| R47.02 | Dysphasia |
| R47.1 | Dysarthria and anarthria |
| R47.8 | Other speech disturbances |
| R47.81 | Slurred speech |
| R47.82 | Fluency disorder in conditions classified elsewhere |
| R47.89 | Other speech disturbances |
| R47.9 | Unspecified speech disturbances |
| R48 | Dyslexia and other symbolic dysfunctions, not elsewhere classified |
| R48.0 | Dyslexia and alexia |
| R48.1 | Agnosia |
| R48.2 | Apraxia |
| R48.3 | Visual agnosia |
| R48.8 | Other symbolic dysfunctions |
| R48.9 | Unspecified symbolic dysfunctions |
| R49 | Voice and resonance disorders |
| R49.0 | Dysphonia |
| R49.1 | Aphonia |
| R49.2 | Hypernasality and hyponasality |
| R49.21 | Hypernasality |
| R49.22 | Hyponasality |
| R49.8 | Other voice and resonance disorders |
| R49.9 | Unspecified voice and resonance disorder |
| R50 | Fever of other and unknown origin |
| R50.2 | Drug induced fever |
| R50.8 | Other specified fever |
| R50.81 | Fever presenting with conditions classified elsewhere |
| R50.82 | Postprocedural fever |
| R50.83 | Postvaccination fever |
| R50.84 | Febrile nonhemolytic transfusion reaction |
| R50.9 | Fever, unspecified |
| R51 | Headache |
| R52 | Pain, unspecified |
| R53 | Malaise and fatigue |
| R53.0 | Neoplastic (malignant) related fatigue |
| R53.1 | Weakness |
| R53.2 | Functional quadriplegia |
| R53.8 | Other malaise and fatigue |
| R53.81 | Other malaise |
| R53.82 | Chronic fatigue, unspecified |
| R53.83 | Other fatigue |
| R54 | Age-related physical debility |
| R55 | Syncope and collapse |
| R56 | Convulsions, not elsewhere classified |
| R56.0 | Febrile convulsions |
| R56.00 | Simple febrile convulsions |
| R56.01 | Complex febrile convulsions |
| R56.1 | Post traumatic seizures |
| R56.9 | Unspecified convulsions |
| R57 | Shock, not elsewhere classified |
| R57.0 | Cardiogenic shock |
| R57.1 | Hypovolemic shock |
| R57.8 | Other shock |
| R57.9 | Shock, unspecified |
| R58 | Hemorrhage, not elsewhere classified |
| R59 | Enlarged lymph nodes |
| R59.0 | Localized enlarged lymph nodes |
| R59.1 | Generalized enlarged lymph nodes |
| R59.9 | Enlarged lymph nodes, unspecified |
| R60 | Edema, not elsewhere classified |
| R60.0 | Localized edema |
| R60.1 | Generalized edema |
| R60.9 | Edema, unspecified |
| R61 | Generalized hyperhidrosis |
| R62 | Lack of expected normal physiological development in childhood and adults |
| R62.0 | Delayed milestone in childhood |
| R62.5 | Other and unspecified lack of expected normal physiological development in childhood |
| R62.50 | Unspecified lack of expected normal physiological development in childhood |
| R62.51 | Failure to thrive (child) |
| R62.52 | Short stature (child) |
| R62.59 | Other lack of expected normal physiological development in childhood |
| R62.7 | Adult failure to thrive |
| R63 | Symptoms and signs concerning food and fluid intake |
| R63.0 | Anorexia |
| R63.1 | Polydipsia |
| R63.2 | Polyphagia |
| R63.3 | Feeding difficulties |
| R63.4 | Abnormal weight loss |
| R63.5 | Abnormal weight gain |
| R63.6 | Underweight |
| R63.8 | Other symptoms and signs concerning food and fluid intake |
| R64 | Cachexia |
| R65 | Symptoms and signs specifically associated with systemic inflammation and infection |
| R65.1 | Systemic inflammatory response syndrome (SIRS) of non-infectious origin |
| R65.10 | Systemic inflammatory response syndrome (SIRS) of non-infectious origin without acute organ dysfunction |
| R65.11 | Systemic inflammatory response syndrome (SIRS) of non-infectious origin with acute organ dysfunction |
| R65.2 | Severe sepsis |
| R65.20 | Severe sepsis without septic shock |
| R65.21 | Severe sepsis with septic shock |
| R68 | Other general symptoms and signs |
| R68.0 | Hypothermia, not associated with low environmental temperature |
| R68.1 | Nonspecific symptoms peculiar to infancy |
| R68.11 | Excessive crying of infant (baby) |
| R68.12 | Fussy infant (baby) |
| R68.13 | Apparent life threatening event in infant (ALTE) |
| R68.19 | Other nonspecific symptoms peculiar to infancy |
| R68.2 | Dry mouth, unspecified |
| R68.3 | Clubbing of fingers |
| R68.8 | Other general symptoms and signs |
| R68.81 | Early satiety |
| R68.82 | Decreased libido |
| R68.83 | Chills (without fever) |
| R68.84 | Jaw pain |
| R68.89 | Other general symptoms and signs |
| R69 | Illness, unspecified |
| R70 | Elevated erythrocyte sedimentation rate and abnormality of plasma viscosity |
| R70.0 | Elevated erythrocyte sedimentation rate |
| R70.1 | Abnormal plasma viscosity |
| R71 | Abnormality of red blood cells |
| R71.0 | Precipitous drop in hematocrit |
| R71.8 | Other abnormality of red blood cells |
| R73 | Elevated blood glucose level |
| R73.0 | Abnormal glucose |
| R73.01 | Impaired fasting glucose |
| R73.02 | Impaired glucose tolerance (oral) |
| R73.09 | Other abnormal glucose |
| R73.9 | Hyperglycemia, unspecified |
| R74 | Abnormal serum enzyme levels |
| R74.0 | Nonspecific elevation of levels of transaminase and lactic acid dehydrogenase [LDH] |
| R74.8 | Abnormal levels of other serum enzymes |
| R74.9 | Abnormal serum enzyme level, unspecified |
| R75 | Inconclusive laboratory evidence of human immunodeficiency virus [HIV] |
| R76 | Other abnormal immunological findings in serum |
| R76.0 | Raised antibody titer |
| R76.1 | Nonspecific reaction to test for tuberculosis |
| R76.11 | Nonspecific reaction to tuberculin skin test without active tuberculosis |
| R76.12 | Nonspecific reaction to cell mediated immunity measurement of gamma interferon antigen response without active tuberculosis |
| R76.8 | Other specified abnormal immunological findings in serum |
| R76.9 | Abnormal immunological finding in serum, unspecified |
| R77 | Other abnormalities of plasma proteins |
| R77.0 | Abnormality of albumin |
| R77.1 | Abnormality of globulin |
| R77.2 | Abnormality of alphafetoprotein |
| R77.8 | Other specified abnormalities of plasma proteins |
| R77.9 | Abnormality of plasma protein, unspecified |
| R78 | Findings of drugs and other substances, not normally found in blood |
| R78.0 | Finding of alcohol in blood |
| R78.1 | Finding of opiate drug in blood |
| R78.2 | Finding of cocaine in blood |
| R78.3 | Finding of hallucinogen in blood |
| R78.4 | Finding of other drugs of addictive potential in blood |
| R78.5 | Finding of other psychotropic drug in blood |
| R78.6 | Finding of steroid agent in blood |
| R78.7 | Finding of abnormal level of heavy metals in blood |
| R78.71 | Abnormal lead level in blood |
| R78.79 | Finding of abnormal level of heavy metals in blood |
| R78.8 | Finding of other specified substances, not normally found in blood |
| R78.81 | Bacteremia |
| R78.89 | Finding of other specified substances, not normally found in blood |
| R78.9 | Finding of unspecified substance, not normally found in blood |
| R79 | Other abnormal findings of blood chemistry |
| R79.0 | Abnormal level of blood mineral |
| R79.1 | Abnormal coagulation profile |
| R79.8 | Other specified abnormal findings of blood chemistry |
| R79.81 | Abnormal blood-gas level |
| R79.82 | Elevated C-reactive protein (CRP) |
| R79.89 | Other specified abnormal findings of blood chemistry |
| R79.9 | Abnormal finding of blood chemistry, unspecified |
| R80 | Proteinuria |
| R80.0 | Isolated proteinuria |
| R80.1 | Persistent proteinuria, unspecified |
| R80.2 | Orthostatic proteinuria, unspecified |
| R80.3 | Bence Jones proteinuria |
| R80.8 | Other proteinuria |
| R80.9 | Proteinuria, unspecified |
| R81 | Glycosuria |
| R82 | Other and unspecified abnormal findings in urine |
| R82.0 | Chyluria |
| R82.1 | Myoglobinuria |
| R82.2 | Biliuria |
| R82.3 | Hemoglobinuria |
| R82.4 | Acetonuria |
| R82.5 | Elevated urine levels of drugs, medicaments and biological substances |
| R82.6 | Abnormal urine levels of substances chiefly nonmedicinal as to source |
| R82.7 | Abnormal findings on microbiological examination of urine |
| R82.8 | Abnormal findings on cytological and histological examination of urine |
| R82.9 | Other and unspecified abnormal findings in urine |
| R82.90 | Unspecified abnormal findings in urine |
| R82.91 | Other chromoabnormalities of urine |
| R82.99 | Other abnormal findings in urine |
| R83 | Abnormal findings in cerebrospinal fluid |
| R83.0 | Abnormal level of enzymes in cerebrospinal fluid |
| R83.1 | Abnormal level of hormones in cerebrospinal fluid |
| R83.2 | Abnormal level of other drugs, medicaments and biological substances in cerebrospinal fluid |
| R83.3 | Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid |
| R83.4 | Abnormal immunological findings in cerebrospinal fluid |
| R83.5 | Abnormal microbiological findings in cerebrospinal fluid |
| R83.6 | Abnormal cytological findings in cerebrospinal fluid |
| R83.8 | Other abnormal findings in cerebrospinal fluid |
| R83.9 | Unspecified abnormal finding in cerebrospinal fluid |
| R84 | Abnormal findings in specimens from respiratory organs and thorax |
| R84.0 | Abnormal level of enzymes in specimens from respiratory organs and thorax |
| R84.1 | Abnormal level of hormones in specimens from respiratory organs and thorax |
| R84.2 | Abnormal level of other drugs, medicaments and biological substances in specimens from respiratory organs and thorax |
| R84.3 | Abnormal level of substances chiefly nonmedicinal as to source in specimens from respiratory organs and thorax |
| R84.4 | Abnormal immunological findings in specimens from respiratory organs and thorax |
| R84.5 | Abnormal microbiological findings in specimens from respiratory organs and thorax |
| R84.6 | Abnormal cytological findings in specimens from respiratory organs and thorax |
| R84.7 | Abnormal histological findings in specimens from respiratory organs and thorax |
| R84.8 | Other abnormal findings in specimens from respiratory organs and thorax |
| R84.9 | Unspecified abnormal finding in specimens from respiratory organs and thorax |
| R85 | Abnormal findings in specimens from digestive organs and abdominal cavity |
| R85.0 | Abnormal level of enzymes in specimens from digestive organs and abdominal cavity |
| R85.1 | Abnormal level of hormones in specimens from digestive organs and abdominal cavity |
| R85.2 | Abnormal level of other drugs, medicaments and biological substances in specimens from digestive organs and abdominal cavity |
| R85.3 | Abnormal level of substances chiefly nonmedicinal as to source in specimens from digestive organs and abdominal cavity |
| R85.4 | Abnormal immunological findings in specimens from digestive organs and abdominal cavity |
| R85.5 | Abnormal microbiological findings in specimens from digestive organs and abdominal cavity |
| R85.6 | Abnormal cytological findings in specimens from digestive organs and abdominal cavity |
| R85.61 | Abnormal cytologic smear of anus |
| R85.610 | Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US) |
| R85.611 | Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H) |
| R85.612 | Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL) |
| R85.613 | High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL) |
| R85.614 | Cytologic evidence of malignancy on smear of anus |
| R85.615 | Unsatisfactory cytologic smear of anus |
| R85.616 | Satisfactory anal smear but lacking transformation zone |
| R85.618 | Other abnormal cytological findings on specimens from anus |
| R85.619 | Unspecified abnormal cytological findings in specimens from anus |
| R85.69 | Abnormal cytological findings in specimens from other digestive organs and abdominal cavity |
| R85.7 | Abnormal histological findings in specimens from digestive organs and abdominal cavity |
| R85.8 | Other abnormal findings in specimens from digestive organs and abdominal cavity |
| R85.81 | Anal high risk human papillomavirus (HPV) DNA test positive |
| R85.82 | Anal low risk human papillomavirus (HPV) DNA test positive |
| R85.89 | Other abnormal findings in specimens from digestive organs and abdominal cavity |
| R85.9 | Unspecified abnormal finding in specimens from digestive organs and abdominal cavity |
| R86 | Abnormal findings in specimens from male genital organs |
| R86.0 | Abnormal level of enzymes in specimens from male genital organs |
| R86.1 | Abnormal level of hormones in specimens from male genital organs |
| R86.2 | Abnormal level of other drugs, medicaments and biological substances in specimens from male genital organs |
| R86.3 | Abnormal level of substances chiefly nonmedicinal as to source in specimens from male genital organs |
| R86.4 | Abnormal immunological findings in specimens from male genital organs |
| R86.5 | Abnormal microbiological findings in specimens from male genital organs |
| R86.6 | Abnormal cytological findings in specimens from male genital organs |
| R86.7 | Abnormal histological findings in specimens from male genital organs |
| R86.8 | Other abnormal findings in specimens from male genital organs |
| R86.9 | Unspecified abnormal finding in specimens from male genital organs |
| R87 | Abnormal findings in specimens from female genital organs |
| R87.0 | Abnormal level of enzymes in specimens from female genital organs |
| R87.1 | Abnormal level of hormones in specimens from female genital organs |
| R87.2 | Abnormal level of other drugs, medicaments and biological substances in specimens from female genital organs |
| R87.3 | Abnormal level of substances chiefly nonmedicinal as to source in specimens from female genital organs |
| R87.4 | Abnormal immunological findings in specimens from female genital organs |
| R87.5 | Abnormal microbiological findings in specimens from female genital organs |
| R87.6 | Abnormal cytological findings in specimens from female genital organs |
| R87.61 | Abnormal cytological findings in specimens from cervix uteri |
| R87.610 | Atypical squamous cells of undetermined significance on cytologic smear of cervix (ASC-US) |
| R87.611 | Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of cervix (ASC-H) |
| R87.612 | Low grade squamous intraepithelial lesion on cytologic smear of cervix (LGSIL) |
| R87.613 | High grade squamous intraepithelial lesion on cytologic smear of cervix (HGSIL) |
| R87.614 | Cytologic evidence of malignancy on smear of cervix |
| R87.615 | Unsatisfactory cytologic smear of cervix |
| R87.616 | Satisfactory cervical smear but lacking transformation zone |
| R87.618 | Other abnormal cytological findings on specimens from cervix uteri |
| R87.619 | Unspecified abnormal cytological findings in specimens from cervix uteri |
| R87.62 | Abnormal cytological findings in specimens from vagina |
| R87.620 | Atypical squamous cells of undetermined significance on cytologic smear of vagina (ASC-US) |
| R87.621 | Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina (ASC-H) |
| R87.622 | Low grade squamous intraepithelial lesion on cytologic smear of vagina (LGSIL) |
| R87.623 | High grade squamous intraepithelial lesion on cytologic smear of vagina (HGSIL) |
| R87.624 | Cytologic evidence of malignancy on smear of vagina |
| R87.625 | Unsatisfactory cytologic smear of vagina |
| R87.628 | Other abnormal cytological findings on specimens from vagina |
| R87.629 | Unspecified abnormal cytological findings in specimens from vagina |
| R87.69 | Abnormal cytological findings in specimens from other female genital organs |
| R87.7 | Abnormal histological findings in specimens from female genital organs |
| R87.8 | Other abnormal findings in specimens from female genital organs |
| R87.81 | High risk human papillomavirus (HPV) DNA test positive from female genital organs |
| R87.810 | Cervical high risk human papillomavirus (HPV) DNA test positive |
| R87.811 | Vaginal high risk human papillomavirus (HPV) DNA test positive |
| R87.82 | Low risk human papillomavirus (HPV) DNA test positive from female genital organs |
| R87.820 | Cervical low risk human papillomavirus (HPV) DNA test positive |
| R87.821 | Vaginal low risk human papillomavirus (HPV) DNA test positive |
| R87.89 | Other abnormal findings in specimens from female genital organs |
| R87.9 | Unspecified abnormal finding in specimens from female genital organs |
| R88 | Abnormal findings in other body fluids and substances |
| R88.0 | Cloudy (hemodialysis) (peritoneal) dialysis effluent |
| R88.8 | Abnormal findings in other body fluids and substances |
| R89 | Abnormal findings in specimens from other organs, systems and tissues |
| R89.0 | Abnormal level of enzymes in specimens from other organs, systems and tissues |
| R89.1 | Abnormal level of hormones in specimens from other organs, systems and tissues |
| R89.2 | Abnormal level of other drugs, medicaments and biological substances in specimens from other organs, systems and tissues |
| R89.3 | Abnormal level of substances chiefly nonmedicinal as to source in specimens from other organs, systems and tissues |
| R89.4 | Abnormal immunological findings in specimens from other organs, systems and tissues |
| R89.5 | Abnormal microbiological findings in specimens from other organs, systems and tissues |
| R89.6 | Abnormal cytological findings in specimens from other organs, systems and tissues |
| R89.7 | Abnormal histological findings in specimens from other organs, systems and tissues |
| R89.8 | Other abnormal findings in specimens from other organs, systems and tissues |
| R89.9 | Unspecified abnormal finding in specimens from other organs, systems and tissues |
| R90 | Abnormal findings on diagnostic imaging of central nervous system |
| R90.0 | Intracranial space-occupying lesion found on diagnostic imaging of central nervous system |
| R90.8 | Other abnormal findings on diagnostic imaging of central nervous system |
| R90.81 | Abnormal echoencephalogram |
| R90.82 | White matter disease, unspecified |
| R90.89 | Other abnormal findings on diagnostic imaging of central nervous system |
| R91 | Abnormal findings on diagnostic imaging of lung |
| R91.1 | Solitary pulmonary nodule |
| R91.8 | Other nonspecific abnormal finding of lung field |
| R92 | Abnormal and inconclusive findings on diagnostic imaging of breast |
| R92.0 | Mammographic microcalcification found on diagnostic imaging of breast |
| R92.1 | Mammographic calcification found on diagnostic imaging of breast |
| R92.2 | Inconclusive mammogram |
| R92.8 | Other abnormal and inconclusive findings on diagnostic imaging of breast |
| R93 | Abnormal findings on diagnostic imaging of other body structures |
| R93.0 | Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified |
| R93.1 | Abnormal findings on diagnostic imaging of heart and coronary circulation |
| R93.2 | Abnormal findings on diagnostic imaging of liver and biliary tract |
| R93.3 | Abnormal findings on diagnostic imaging of other parts of digestive tract |
| R93.4 | Abnormal findings on diagnostic imaging of urinary organs |
| R93.5 | Abnormal findings on diagnostic imaging of other abdominal regions, including retroperitoneum |
| R93.6 | Abnormal findings on diagnostic imaging of limbs |
| R93.7 | Abnormal findings on diagnostic imaging of other parts of musculoskeletal system |
| R93.8 | Abnormal findings on diagnostic imaging of other specified body structures |
| R93.9 | Diagnostic imaging inconclusive due to excess body fat of patient |
| R94 | Abnormal results of function studies |
| R94.0 | Abnormal results of function studies of central nervous system |
| R94.01 | Abnormal electroencephalogram [EEG] |
| R94.02 | Abnormal brain scan |
| R94.09 | Abnormal results of other function studies of central nervous system |
| R94.1 | Abnormal results of function studies of peripheral nervous system and special senses |
| R94.11 | Abnormal results of function studies of eye |
| R94.110 | Abnormal electro-oculogram [EOG] |
| R94.111 | Abnormal electroretinogram [ERG] |
| R94.112 | Abnormal visually evoked potential [VEP] |
| R94.113 | Abnormal oculomotor study |
| R94.118 | Abnormal results of other function studies of eye |
| R94.12 | Abnormal results of function studies of ear and other special senses |
| R94.120 | Abnormal auditory function study |
| R94.121 | Abnormal vestibular function study |
| R94.128 | Abnormal results of other function studies of ear and other special senses |
| R94.13 | Abnormal results of function studies of peripheral nervous system |
| R94.130 | Abnormal response to nerve stimulation, unspecified |
| R94.131 | Abnormal electromyogram [EMG] |
| R94.138 | Abnormal results of other function studies of peripheral nervous system |
| R94.2 | Abnormal results of pulmonary function studies |
| R94.3 | Abnormal results of cardiovascular function studies |
| R94.30 | Abnormal result of cardiovascular function study, unspecified |
| R94.31 | Abnormal electrocardiogram [ECG] [EKG] |
| R94.39 | Abnormal result of other cardiovascular function study |
| R94.4 | Abnormal results of kidney function studies |
| R94.5 | Abnormal results of liver function studies |
| R94.6 | Abnormal results of thyroid function studies |
| R94.7 | Abnormal results of other endocrine function studies |
| R94.8 | Abnormal results of function studies of other organs and systems |