O00

Non-Billable
ChapterO00–O9A
Rankcategory
Official Description

Ectopic 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).

CH15 Parent Instructions

Excludes1(Not coded here)
  • supervision of normal pregnancy (Z34.-)
Excludes2(Not included here)
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)
Use Additional Code
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

O00-O08 Parent Instructions

Excludes1(Not coded here)
  • continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)

Instructional Notes

Includes
  • ruptured ectopic pregnancy
Use Additional Code
  • code from category O08 to identify any associated complication

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O00-O08Pregnancy with abortive outcome (O00-O08)
O00Ectopic pregnancy
O00.0Abdominal pregnancy
O00.1Tubal pregnancy
O00.2Ovarian pregnancy
O00.8Other ectopic pregnancy
O00.9Ectopic pregnancy, unspecified

Applicable Ancestor Context

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

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

25 raw paths
Abortion (complete) (spontaneous)2 unique routes
tubal→O00(2 variants)
with intrauterine pregnancy→O00
Cornual gestation or pregnancy2 unique routes
Direct index entry→O00
with intrauterine pregnancy→O00
Hematocele2 unique routes
female NEC(2 variants)
with ectopic pregnancy→O00(2 variants)
with intrauterine pregnancy→O00
Mole (pigmented)2 unique routes
tubal→O00(2 variants)
with intrauterine pregnancy→O00
Pregnancy (single) (uterine)17 unique routes
abdominal (ectopic)→O00(2 variants)
with intrauterine pregnancy→O00
ampullar→O00(2 variants)
with intrauterine pregnancy→O00
broad ligament→O00(2 variants)
with intrauterine pregnancy→O00
cervical→O00(2 variants)
with intrauterine pregnancy→O00
cornual→O00(2 variants)
with intrauterine pregnancy→O00
ectopic (ruptured)→O00(7 variants)
abdominal→O00(2 variants)
with
intrauterine pregnancy→O00
cervical→O00(2 variants)
with intrauterine pregnancy→O00
cornual→O00(2 variants)
with intrauterine pregnancy→O00

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Ectopic pregnancy.

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