Pregnancy, childbirth and the puerperium (O00-O9A)

Note:
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, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
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)

Pregnancy with abortive outcome (O00-O08)

Excludes 1:
continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)
O00 Ectopic pregnancy [+]
Includes: ruptured ectopic pregnancy
Use additional code from category O08 to identify any associated complication
O01 Hydatidiform mole [+]
Use additional code from category O08 to identify any associated complication.
Excludes 1: chorioadenoma (destruens) (D39.2)
malignant hydatidiform mole (D39.2)
O02 Other abnormal products of conception [+]
Use additional code from category O08 to identify any associated complication.
Excludes 1: papyraceous fetus (O31.0-)
O03 Spontaneous abortion [+]
Note: Incomplete abortion includes retained products of conception following spontaneous abortion
Includes: miscarriage
O04 Complications following (induced) termination of pregnancy [+]
Includes: complications following (induced) termination of pregnancy
Excludes 2: encounter for elective termination of pregnancy, uncomplicated (Z33.2)
failed attempted termination of pregnancy (O07.-)
O07 Failed attempted termination of pregnancy [+]
Includes: failure of attempted induction of termination of pregnancy
incomplete elective abortion
Excludes 1: incomplete spontaneous abortion (O03.0-)
O08 Complications following ectopic and molar pregnancy [+]
This category is for use with categories O00-O02 to identify any associated complications

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