ICD-9-CM diagnosis code (retired)
552.21 — Incisional ventral hernia with obstruction
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 552.21
552.21 is an ICD-9-CM diagnosis code for incisional ventral hernia with obstruction. 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, K43.0 (Incisional hernia with obstruction, without gangrene). The match is exact.
ICD-10-CM equivalents
- K43.0Incisional hernia with obstruction, without gangreneexact match
Common questions about 552.21
What is the ICD-10 code for ICD-9 552.21?
- The GEMs map 552.21 to ICD-10-CM K43.0.
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.