O00.20

Non-Billable
ChapterO00–O9A
Ranksubcategory
Official Description

Ovarian pregnancy without intrauterine pregnancy

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).

Instructional Notes

Includes
  • Ovarian pregnancy NOS
General instructions are available for the parent sections:
View CH15 NotesView O00-O08 NotesView O00 Notes

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O00-O08Pregnancy with abortive outcome (O00-O08)
O00Ectopic pregnancy
O00.2Ovarian pregnancy
O00.20Ovarian pregnancy without intrauterine pregnancy
O00.201Right ovarian pregnancy without intrauterine pregnancy
O00.202Left ovarian pregnancy without intrauterine pregnancy
O00.209Unspecified ovarian pregnancy without intrauterine pregnancy

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O00.20:

categoryO00
Ectopic pregnancy
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 O00.20. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Pregnancy (single) (uterine)2 unique routes
ectopic (ruptured)
ovarian→O00.20
ovarian→O00.20

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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