O03.9

Billable
ChapterO00–O9A
Ranksubcategory
Official Description

Complete or unspecified spontaneous abortion without complication

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
  • Miscarriage NOS
  • Spontaneous abortion NOS
General instructions are available for the parent sections:
View CH15 NotesView O00-O08 NotesView O03 Notes

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O00-O08Pregnancy with abortive outcome (O00-O08)
O03Spontaneous abortion
O03.9Complete or unspecified spontaneous abortion without complication

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O03.9:

categoryO03
Spontaneous abortion
View context instructions
blockO00-O08
Pregnancy with abortive outcome (O00-O08)
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 O03.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

3 raw paths
Abortion (complete) (spontaneous)1 unique routes
Direct index entry→O03.9
Miscarriage1 unique routes
Direct index entry→O03.9
Threatened1 unique routes
abortion
with subsequent abortion→O03.9

MS-DRG Classification

2026 v43.1

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

DRG 770
Abortion with D&C, Aspiration Curettage or Hysterotomy
DRG 779
Abortion without D&C

Cross Reference

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