Chapter 15
O00–O9A
Pregnancy, childbirth and the puerperium
Use additional code
Add the listed code as a secondary code, if known.
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- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
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- supervision of normal pregnancy (Z34.-)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Notes
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- 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
Blocks in this chapter 9
- O00–O08Pregnancy with abortive outcome
- O09Supervision of high risk pregnancy
- O10–O16Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
- O20–O29Other maternal disorders predominantly related to pregnancy
- O30–O48Maternal care related to the fetus and amniotic cavity and possible delivery problems
- O60–O77Complications of labor and delivery
- O80–O82Encounter for delivery
- O85–O92Complications predominantly related to the puerperium
- O94–O9AOther obstetric conditions, not elsewhere classified