O02.1

Billable
ChapterO00–O9A
Ranksubcategory
Official Description

Missed abortion

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
  • Early fetal death, before completion of 20 weeks of gestation, with retention of dead fetus
Excludes1(Not coded here)
  • failed induced abortion (O07.-)
  • fetal death (intrauterine) (late) (O36.4)
  • missed abortion with blighted ovum (O02.0)
  • missed abortion with hydatidiform mole (O01.-)
  • missed abortion with nonhydatidiform (O02.0)
  • missed abortion with other abnormal products of conception (O02.8-)
  • missed delivery (O36.4)
  • stillbirth (P95)
General instructions are available for the parent sections:
View CH15 NotesView O00-O08 NotesView O02 Notes

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O00-O08Pregnancy with abortive outcome (O00-O08)
O02Other abnormal products of conception
O02.1Missed abortion

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O02.1:

categoryO02
Other abnormal products of conception
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 O02.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

12 raw paths
Abortion (complete) (spontaneous)1 unique routes
missed→O02.1
Dead1 unique routes
fetus, retained (mother)
early pregnancy→O02.1
Delivery (childbirth) (labor)2 unique routes
complicated(2 variants)
by(2 variants)
fetal
death, early→O02.1
intrauterine fetal death, early→O02.1
Missed1 unique routes
abortion→O02.1
Pregnancy (single) (uterine)4 unique routes
complicated by (care of) (management affected by)(4 variants)
death of fetus (near term)
early pregnancy→O02.1
fetal (maternal care for)
death (near term)
early pregnancy→O02.1
intrauterine fetal death (near term)
early pregnancy→O02.1
missed
abortion→O02.1
Retention3 unique routes
dead
fetus (at or near term) (mother)
early fetal death→O02.1
fetus
dead
early→O02.1
products of conception
early pregnancy (dead fetus)→O02.1

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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