O20-O29 — Other maternal disorders predominantly related to pregnancy
ICD-10-CM codes O20-O29 cover other maternal disorders predominantly related to pregnancy, within pregnancy, childbirth and the puerperium. The block holds 343 codes across 9 categories, of which 260 are billable and 83 are header codes that cannot be submitted on a claim.
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.
What else to watch in O20-O29
- 105 codes are named in Medicare coverage policies. An LCD or NCD lists them as supporting medical necessity, or explicitly as not supporting it. Which applies depends on the MAC for your state.
Categories in O20-O29
- O20Hemorrhage in early pregnancy
- O21Excessive vomiting in pregnancy
- O22Venous complications and hemorrhoids in pregnancy
- O23Infections of genitourinary tract in pregnancy
- O24Diabetes mellitus in pregnancy, childbirth, and the puerperium
- O25Malnutrition in pregnancy, childbirth and the puerperium
- O26Maternal care for other conditions predominantly related to pregnancy
- O28Abnormal findings on antenatal screening of mother
- O29Complications of anesthesia during pregnancy