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ICD-9-CM diagnosis code (retired)

634.20 — Spontaneous abortion, complicated by damage to pelvic organs or tissues, unspecified

ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.

About ICD-9-CM 634.20

634.20 is an ICD-9-CM diagnosis code for spontaneous abortion, complicated by damage to pelvic organs or tissues, unspecified. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.

The CMS General Equivalence Mappings translate it to one ICD-10-CM code, O03.84 (Damage to pelvic organs following complete or unspecified spontaneous abortion). The match is approximate, so confirm it against the record.

ICD-10-CM equivalents

Common questions about 634.20

What is the ICD-10 code for ICD-9 634.20?

The GEMs map 634.20 to ICD-10-CM O03.84.

GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.