Pregnancy, childbirth and the puerperium (O00-O9A)
notes: -CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS -Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes) -Trimesters are counted from the first day of the last menstrual period. They are defined as follows: -1st trimester- less than 14 weeks 0 days -2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days -3rd trimester- 28 weeks 0 days until delivery Use Additional Code: -code from category Z3A Weeks of gestation, to identify the specific week of the pregnancy
Excludes 1: -supervision of normal pregnancy (Z34.-)
Excludes 2: -mental and behavioral disorders associated with the puerperium (F53) -obstetrical tetanus (A34) -postpartum necrosis of pituitary gland (E23.0) -puerperal osteomalacia (M83.0)