Code
Hierarchy
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O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
Notes
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CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
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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)
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Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
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1st trimester- less than 14 weeks 0 days
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2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
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3rd trimester- 28 weeks 0 days until delivery
Use Additional
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code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Excludes 1
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embolism complicating abortion NOS (O03.2)
- O03.2 Embolism following incomplete spontaneous abortion
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embolism complicating ectopic or molar pregnancy (O08.2)
- O08.2 Embolism following ectopic and molar pregnancy
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embolism complicating failed attempted abortion (O07.2)
- O07.2 Embolism following failed attempted termination of pregnancy
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embolism complicating induced abortion (O04.7)
- O04.7 Embolism following (induced) termination of pregnancy
- embolism complicating spontaneous abortion (O03.2, O03.7)
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supervision of normal pregnancy (Z34.-)
- Z34 Encounter for supervision of normal pregnancy