MCMedicalCodingSoftware
O00

O00: Ectopic pregnancy

Non-billable headerICD-10-CM

O00 is a non-billable header ICD-10-CM code for ectopic pregnancy. It cannot be billed on its own: choose one of the more specific child codes below.

Use additional code

Add a secondary code to capture the detail described below.

  • code from category O08 to identify any associated complication

Includes

Conditions this code covers.

  • ruptured ectopic pregnancy

Other codes that can never be billed with O00

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • G08Intracranial and intraspinal phlebitis and thrombophlebitis
  • K65Peritonitis
  • N83.6Hematosalpinx
  • O20Hemorrhage in early pregnancy
  • R34Anuria and oliguria
  • R55Syncope and collapse
  • R57Shock, not elsewhere classified
  • Z33.1Pregnant state, incidental

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead O00

8 child codes. Green means billable.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.