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ICD-9-CM diagnosis code (retired)

377.49 — Other disorders of optic nerve

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 377.49

377.49 is an ICD-9-CM diagnosis code for other disorders of optic nerve. 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, H47.099 (Other disorders of optic nerve, not elsewhere classified, unspecified eye). The match is approximate, so confirm it against the record.

ICD-10-CM equivalents

Common questions about 377.49

What is the ICD-10 code for ICD-9 377.49?

The GEMs map 377.49 to ICD-10-CM H47.099.

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.