| Z00 | Encounter for general examination without complaint, suspected or reported diagnosis |
| Z00.0 | Encounter for general adult medical examination |
| Z00.00 | Encounter for general adult medical examination without abnormal findings |
| Z00.01 | Encounter for general adult medical examination with abnormal findings |
| Z00.1 | Encounter for newborn, infant and child health examinations |
| Z00.11 | Newborn health examination |
| Z00.110 | Health examination for newborn under 8 days old |
| Z00.111 | Health examination for newborn 8 to 28 days old |
| Z00.12 | Encounter for routine child health examination |
| Z00.121 | Encounter for routine child health examination with abnormal findings |
| Z00.129 | Encounter for routine child health examination without abnormal findings |
| Z00.2 | Encounter for examination for period of rapid growth in childhood |
| Z00.3 | Encounter for examination for adolescent development state |
| Z00.5 | Encounter for examination of potential donor of organ and tissue |
| Z00.6 | Encounter for examination for normal comparison and control in clinical research program |
| Z00.7 | Encounter for examination for period of delayed growth in childhood |
| Z00.70 | Encounter for examination for period of delayed growth in childhood without abnormal findings |
| Z00.71 | Encounter for examination for period of delayed growth in childhood with abnormal findings |
| Z00.8 | Encounter for other general examination |
| Z01 | Encounter for other special examination without complaint, suspected or reported diagnosis |
| Z01.0 | Encounter for examination of eyes and vision |
| Z01.00 | Encounter for examination of eyes and vision without abnormal findings |
| Z01.01 | Encounter for examination of eyes and vision with abnormal findings |
| Z01.1 | Encounter for examination of ears and hearing |
| Z01.10 | Encounter for examination of ears and hearing without abnormal findings |
| Z01.11 | Encounter for examination of ears and hearing with abnormal findings |
| Z01.110 | Encounter for hearing examination following failed hearing screening |
| Z01.118 | Encounter for examination of ears and hearing with other abnormal findings |
| Z01.12 | Encounter for hearing conservation and treatment |
| Z01.2 | Encounter for dental examination and cleaning |
| Z01.20 | Encounter for dental examination and cleaning without abnormal findings |
| Z01.21 | Encounter for dental examination and cleaning with abnormal findings |
| Z01.3 | Encounter for examination of blood pressure |
| Z01.30 | Encounter for examination of blood pressure without abnormal findings |
| Z01.31 | Encounter for examination of blood pressure with abnormal findings |
| Z01.4 | Encounter for gynecological examination |
| Z01.41 | Encounter for routine gynecological examination |
| Z01.411 | Encounter for gynecological examination (general) (routine) with abnormal findings |
| Z01.419 | Encounter for gynecological examination (general) (routine) without abnormal findings |
| Z01.42 | Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear |
| Z01.8 | Encounter for other specified special examinations |
| Z01.81 | Encounter for preprocedural examinations |
| Z01.810 | Encounter for preprocedural cardiovascular examination |
| Z01.811 | Encounter for preprocedural respiratory examination |
| Z01.812 | Encounter for preprocedural laboratory examination |
| Z01.818 | Encounter for other preprocedural examination |
| Z01.82 | Encounter for allergy testing |
| Z01.83 | Encounter for blood typing |
| Z01.84 | Encounter for antibody response examination |
| Z01.89 | Encounter for other specified special examinations |
| Z02 | Encounter for administrative examination |
| Z02.0 | Encounter for examination for admission to educational institution |
| Z02.1 | Encounter for pre-employment examination |
| Z02.2 | Encounter for examination for admission to residential institution |
| Z02.3 | Encounter for examination for recruitment to armed forces |
| Z02.4 | Encounter for examination for driving license |
| Z02.5 | Encounter for examination for participation in sport |
| Z02.6 | Encounter for examination for insurance purposes |
| Z02.7 | Encounter for issue of medical certificate |
| Z02.71 | Encounter for disability determination |
| Z02.79 | Encounter for issue of other medical certificate |
| Z02.8 | Encounter for other administrative examinations |
| Z02.81 | Encounter for paternity testing |
| Z02.82 | Encounter for adoption services |
| Z02.83 | Encounter for blood-alcohol and blood-drug test |
| Z02.89 | Encounter for other administrative examinations |
| Z02.9 | Encounter for administrative examinations, unspecified |
| Z03 | Encounter for medical observation for suspected diseases and conditions ruled out |
| Z03.6 | Encounter for observation for suspected toxic effect from ingested substance ruled out |
| Z03.7 | Encounter for suspected maternal and fetal conditions ruled out |
| Z03.71 | Encounter for suspected problem with amniotic cavity and membrane ruled out |
| Z03.72 | Encounter for suspected placental problem ruled out |
| Z03.73 | Encounter for suspected fetal anomaly ruled out |
| Z03.74 | Encounter for suspected problem with fetal growth ruled out |
| Z03.75 | Encounter for suspected cervical shortening ruled out |
| Z03.79 | Encounter for other suspected maternal and fetal conditions ruled out |
| Z03.8 | Encounter for observation for other suspected diseases and conditions ruled out |
| Z03.81 | Encounter for observation for suspected exposure to biological agents ruled out |
| Z03.810 | Encounter for observation for suspected exposure to anthrax ruled out |
| Z03.818 | Encounter for observation for suspected exposure to other biological agents ruled out |
| Z03.89 | Encounter for observation for other suspected diseases and conditions ruled out |
| Z04 | Encounter for examination and observation for other reasons |
| Z04.1 | Encounter for examination and observation following transport accident |
| Z04.2 | Encounter for examination and observation following work accident |
| Z04.3 | Encounter for examination and observation following other accident |
| Z04.4 | Encounter for examination and observation following alleged rape |
| Z04.41 | Encounter for examination and observation following alleged adult rape |
| Z04.42 | Encounter for examination and observation following alleged child rape |
| Z04.6 | Encounter for general psychiatric examination, requested by authority |
| Z04.7 | Encounter for examination and observation following alleged physical abuse |
| Z04.71 | Encounter for examination and observation following alleged adult physical abuse |
| Z04.72 | Encounter for examination and observation following alleged child physical abuse |
| Z04.8 | Encounter for examination and observation for other specified reasons |
| Z04.9 | Encounter for examination and observation for unspecified reason |
| Z08 | Encounter for follow-up examination after completed treatment for malignant neoplasm |
| Z09 | Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm |
| Z11 | Encounter for screening for infectious and parasitic diseases |
| Z11.0 | Encounter for screening for intestinal infectious diseases |
| Z11.1 | Encounter for screening for respiratory tuberculosis |
| Z11.2 | Encounter for screening for other bacterial diseases |
| Z11.3 | Encounter for screening for infections with a predominantly sexual mode of transmission |
| Z11.4 | Encounter for screening for human immunodeficiency virus [HIV] |
| Z11.5 | Encounter for screening for other viral diseases |
| Z11.51 | Encounter for screening for human papillomavirus (HPV) |
| Z11.59 | Encounter for screening for other viral diseases |
| Z11.6 | Encounter for screening for other protozoal diseases and helminthiases |
| Z11.8 | Encounter for screening for other infectious and parasitic diseases |
| Z11.9 | Encounter for screening for infectious and parasitic diseases, unspecified |
| Z12 | Encounter for screening for malignant neoplasms |
| Z12.0 | Encounter for screening for malignant neoplasm of stomach |
| Z12.1 | Encounter for screening for malignant neoplasm of intestinal tract |
| Z12.10 | Encounter for screening for malignant neoplasm of intestinal tract, unspecified |
| Z12.11 | Encounter for screening for malignant neoplasm of colon |
| Z12.12 | Encounter for screening for malignant neoplasm of rectum |
| Z12.13 | Encounter for screening for malignant neoplasm of small intestine |
| Z12.2 | Encounter for screening for malignant neoplasm of respiratory organs |
| Z12.3 | Encounter for screening for malignant neoplasm of breast |
| Z12.31 | Encounter for screening mammogram for malignant neoplasm of breast |
| Z12.39 | Encounter for other screening for malignant neoplasm of breast |
| Z12.4 | Encounter for screening for malignant neoplasm of cervix |
| Z12.5 | Encounter for screening for malignant neoplasm of prostate |
| Z12.6 | Encounter for screening for malignant neoplasm of bladder |
| Z12.7 | Encounter for screening for malignant neoplasm of other genitourinary organs |
| Z12.71 | Encounter for screening for malignant neoplasm of testis |
| Z12.72 | Encounter for screening for malignant neoplasm of vagina |
| Z12.73 | Encounter for screening for malignant neoplasm of ovary |
| Z12.79 | Encounter for screening for malignant neoplasm of other genitourinary organs |
| Z12.8 | Encounter for screening for malignant neoplasm of other sites |
| Z12.81 | Encounter for screening for malignant neoplasm of oral cavity |
| Z12.82 | Encounter for screening for malignant neoplasm of nervous system |
| Z12.83 | Encounter for screening for malignant neoplasm of skin |
| Z12.89 | Encounter for screening for malignant neoplasm of other sites |
| Z12.9 | Encounter for screening for malignant neoplasm, site unspecified |
| Z13 | Encounter for screening for other diseases and disorders |
| Z13.0 | Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism |
| Z13.1 | Encounter for screening for diabetes mellitus |
| Z13.2 | Encounter for screening for nutritional, metabolic and other endocrine disorders |
| Z13.21 | Encounter for screening for nutritional disorder |
| Z13.22 | Encounter for screening for metabolic disorder |
| Z13.220 | Encounter for screening for lipoid disorders |
| Z13.228 | Encounter for screening for other metabolic disorders |
| Z13.29 | Encounter for screening for other suspected endocrine disorder |
| Z13.4 | Encounter for screening for certain developmental disorders in childhood |
| Z13.5 | Encounter for screening for eye and ear disorders |
| Z13.6 | Encounter for screening for cardiovascular disorders |
| Z13.7 | Encounter for screening for genetic and chromosomal anomalies |
| Z13.71 | Encounter for nonprocreative screening for genetic disease carrier status |
| Z13.79 | Encounter for other screening for genetic and chromosomal anomalies |
| Z13.8 | Encounter for screening for other specified diseases and disorders |
| Z13.81 | Encounter for screening for digestive system disorders |
| Z13.810 | Encounter for screening for upper gastrointestinal disorder |
| Z13.811 | Encounter for screening for lower gastrointestinal disorder |
| Z13.818 | Encounter for screening for other digestive system disorders |
| Z13.82 | Encounter for screening for musculoskeletal disorder |
| Z13.820 | Encounter for screening for osteoporosis |
| Z13.828 | Encounter for screening for other musculoskeletal disorder |
| Z13.83 | Encounter for screening for respiratory disorder NEC |
| Z13.84 | Encounter for screening for dental disorders |
| Z13.85 | Encounter for screening for nervous system disorders |
| Z13.850 | Encounter for screening for traumatic brain injury |
| Z13.858 | Encounter for screening for other nervous system disorders |
| Z13.88 | Encounter for screening for disorder due to exposure to contaminants |
| Z13.89 | Encounter for screening for other disorder |
| Z13.9 | Encounter for screening, unspecified |