All ICD10 Codes

O20-O29

Non-Billable
ChapterO00–O9A
Rankblock
Official Description

Other maternal disorders predominantly related to pregnancy (O20-O29)

Use a more specific code (0 billable, 9 non-billable)
O20Hemorrhage in early pregnancyhas subcodesO21Excessive vomiting in pregnancyhas subcodesO22Venous complications and hemorrhoids in pregnancyhas subcodesO23Infections of genitourinary tract in pregnancyhas subcodesO24Diabetes mellitus in pregnancy, childbirth, and the puerperiumhas subcodesO25Malnutrition in pregnancy, childbirth and the puerperiumhas subcodesO26Maternal care for other conditions predominantly related to pregnancyhas subcodesO28Abnormal findings on antenatal screening of motherhas subcodesO29Complications of anesthesia during pregnancyhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).

CH15 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • supervision of normal pregnancy (Z34.-)
Excludes2(Not included here. Code separately if applicable.)
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)
Use Additional Code
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
  • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)

Clinical Hierarchy

BillableHas subcodes
CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O20-O29Other maternal disorders predominantly related to pregnancy (O20-O29)Not billable
O20Hemorrhage in early pregnancySubcodes
O21Excessive vomiting in pregnancySubcodes
O22Venous complications and hemorrhoids in pregnancySubcodes
O23Infections of genitourinary tract in pregnancySubcodes
O24Diabetes mellitus in pregnancy, childbirth, and the puerperiumSubcodes
O25Malnutrition in pregnancy, childbirth and the puerperiumSubcodes
O26Maternal care for other conditions predominantly related to pregnancySubcodes
O28Abnormal findings on antenatal screening of motherSubcodes
O29Complications of anesthesia during pregnancySubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O20-O29:

chapterCH15
Pregnancy, childbirth and the puerperium (O00-O9A)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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