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ICD-9-CM procedure code (retired)

04.5 — Cranial or peripheral nerve graft

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

About ICD-9-CM 04.5

04.5 is an ICD-9-CM procedure code for cranial or peripheral nerve graft. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-PCS took over.

The CMS General Equivalence Mappings translate it to 375 ICD-10-PCS codes, such as 00RF07Z (Replacement of Olfactory Nerve with Autologous Tissue Substitute, Open Approach), 00RF0JZ (Replacement of Olfactory Nerve with Synthetic Substitute, Open Approach) and 00RF0KZ (Replacement of Olfactory Nerve with Nonautologous Tissue Substitute, Open Approach). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 04.5

What is the ICD-10 code for ICD-9 04.5?

The GEMs map 04.5 to ICD-10-PCS 00RF07Z, 00RF0JZ, 00RF0KZ, 00RF47Z, 00RF4JZ, 00RF4KZ and 369 more.

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.