All ICD10 Codes

O33.9

Billable
ChapterO00–O9A
Ranksubcategory
Official Description

Maternal care for disproportion, unspecified

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).

Instructional Notes

Includes
  • Maternal care for disproportion due to cephalopelvic disproportion NOS
  • Maternal care for disproportion due to fetopelvic disproportion NOS
General instructions are available for the parent sections:
View CH15 NotesView O33 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)
O33Maternal care for disproportion
O33.9Maternal care for disproportion, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O33.9:

categoryO33
Maternal care for disproportion
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 O33.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

3 raw paths
Delivery (childbirth) (labor)2 unique routes
cesarean (for)(2 variants)
cephalopelvic disproportion→O33.9
disproportion NOS→O33.9
Pregnancy (single) (uterine)1 unique routes
complicated by (care of) (management affected by)
disproportion (due to)→O33.9

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

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