All ICD10 Codes

O34.00

Billable
ChapterO00–O9A
Ranksubcategory
Official Description

Maternal care for unspecified congenital malformation of uterus, unspecified trimester

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).
General instructions are available for the parent sections:
View CH15 NotesView O34 NotesView O34.0 Notes

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
O34Maternal care for abnormality of pelvic organs
O34.0Maternal care for congenital malformation of uterus
O34.00Maternal care for unspecified congenital malformation of uterus, unspecified trimester

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O34.00:

subcategoryO34.0
Maternal care for congenital malformation of uterus
View context instructions
categoryO34
Maternal care for abnormality of pelvic organs
View context instructions
chapterCH15
Pregnancy, childbirth and the puerperium (O00-O9A)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to O34.00. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Bicornate or bicornis uterus1 unique routes
in pregnancy or childbirth→O34.00
Unicornate uterus1 unique routes
in pregnancy or childbirth→O34.00

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 817
Other Antepartum Diagnoses with O.R. Procedures with MCC
DRG 818
Other Antepartum Diagnoses with O.R. Procedures with CC
DRG 819
Other Antepartum Diagnoses with O.R. Procedures without CC/MCC
DRG 831
Other Antepartum Diagnoses without O.R. Procedures with MCC
DRG 832
Other Antepartum Diagnoses without O.R. Procedures with CC
DRG 833
Other Antepartum Diagnoses without O.R. Procedures without CC/MCC

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Maternal care for unspecified congenital malformation of uterus, unspecified trimester.

Search PCS Codes