O00.12: Interstitial ectopic pregnancy without intrauterine pregnancy

New code · FY2027

Not billable: this is a header. Use one of the more specific codes below.

• New code, effective October 1, 2026 (FY2027).

Code breakdown

Coding notes

Inclusion terms (from O00.1)

• Fallopian pregnancy
• Rupture of (fallopian) tube due to pregnancy
• Tubal abortion

Includes (from O00)

• ruptured ectopic pregnancy

Use additional code (from O00)

• code from category O08 to identify any associated complication

Codes under O00.12

• O00.121 Right interstitial ectopic pregnancy without intrauterine pregnancy
• O00.122 Left interstitial ectopic pregnancy without intrauterine pregnancy
• O00.129 Unspecified interstitial ectopic pregnancy without intrauterine pregnancy

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All FY2027 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.