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ICD-9-CM procedure code (retired)

01.39 — Other incision of brain

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 01.39

01.39 is an ICD-9-CM procedure code for other incision of brain. 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 98 ICD-10-PCS codes, such as 009000Z (Drainage of Brain with Drainage Device, Open Approach), 00900ZZ (Drainage of Brain, Open Approach) and 009030Z (Drainage of Brain with Drainage Device, Percutaneous Approach). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 01.39

What is the ICD-10 code for ICD-9 01.39?

The GEMs map 01.39 to ICD-10-PCS 009000Z, 00900ZZ, 009030Z, 00903ZZ, 009040Z, 00904ZZ and 92 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.