Chapter 15: Pregnancy, childbirth and the puerperium
O00-O9A
Chapter 15 of the ICD-10-CM tabular list covers pregnancy, childbirth and the puerperium, codes O00-O9A. It holds 3,023 codes across 9 blocks, of which 2,437 are billable and 586 are header codes that cannot go on a claim. 1,453 (48%) require a 7th character.
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- supervision of normal pregnancy (Z34.-)
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Use additional code
Add a secondary code to capture the detail described below.
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Notes
Additional guidance from the ICD-10-CM tabular list.
- 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
- O00-O08Pregnancy with abortive outcome116 codes
- O09Supervision of high risk pregnancy85 codes
- O10-O16Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium125 codes
- O20-O29Other maternal disorders predominantly related to pregnancy343 codes
- O30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems1,636 codes
- O60-O77Complications of labor and delivery319 codes
- O80-O82Encounter for delivery2 codes
- O85-O92Complications predominantly related to the puerperium150 codes
- O94-O9AOther obstetric conditions, not elsewhere classified247 codes