ICD-9-CM procedure code (retired)
01.23 — Reopening of craniotomy site
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 01.23
01.23 is an ICD-9-CM procedure code for Reopening of craniotomy site. 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 one ICD-10-PCS code, 0WJ10ZZ (Inspection of Cranial Cavity, Open Approach). The match is approximate, so confirm it against the record.
ICD-10-PCS equivalents
- 0WJ10ZZInspection of Cranial Cavity, Open Approachapproximate
Common questions about 01.23
What is the ICD-10 code for ICD-9 01.23?
- The GEMs map 01.23 to ICD-10-PCS 0WJ10ZZ.
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.