ICD-9-CM diagnosis code (retired)
388.5 — Disorders of acoustic 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 388.5
388.5 is an ICD-9-CM diagnosis code for disorders of acoustic 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, H93.3X9 (Disorders of unspecified acoustic nerve). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- H93.3X9Disorders of unspecified acoustic nerveapproximate
Common questions about 388.5
What is the ICD-10 code for ICD-9 388.5?
- The GEMs map 388.5 to ICD-10-CM H93.3X9.
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.