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ICD-9-CM diagnosis code (retired)

364.89 — Other disorders of iris and ciliary body

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 364.89

364.89 is an ICD-9-CM diagnosis code for other disorders of iris and ciliary body. 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, H21.89 (Other specified disorders of iris and ciliary body). The match is approximate, so confirm it against the record.

ICD-10-CM equivalents

Common questions about 364.89

What is the ICD-10 code for ICD-9 364.89?

The GEMs map 364.89 to ICD-10-CM H21.89.

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.