ICD-10-CM-2023: O00-O9A Chapter 15

O00-O9A	Chapter 15 Pregnancy, childbirth and the puerperium
	Info:	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 add'l	code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
	Excl1.:	supervision of normal pregnancy (Z34.-)
	Excl2.:	mental and behavioral disorders associated with the puerperium (F53.-) obstetrical tetanus (A34) postpartum necrosis of pituitary gland (E23.0) puerperal osteomalacia (M83.0)
	Info:	O00-O08 Pregnancy with abortive outcome O09-O09 Supervision of high risk pregnancy O10-O16 Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium O20-O29 Other maternal disorders predominantly related to pregnancy O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems O60-O77 Complications of labor and delivery O80-O82 Encounter for delivery O85-O92 Complications predominantly related to the puerperium O94-O9A Other obstetric conditions, not elsewhere classified

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