ICD-9-CM procedure code (retired)
01.15 — Biopsy of skull
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 01.15
01.15 is an ICD-9-CM procedure code for biopsy of skull. 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 6 ICD-10-PCS codes, such as 0N900ZX (Drainage of Skull, Open Approach, Diagnostic), 0N903ZX (Drainage of Skull, Percutaneous Approach, Diagnostic) and 0N904ZX (Drainage of Skull, Percutaneous Endoscopic Approach, Diagnostic). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0N900ZXDrainage of Skull, Open Approach, Diagnosticapproximate
- 0N903ZXDrainage of Skull, Percutaneous Approach, Diagnosticapproximate
- 0N904ZXDrainage of Skull, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0NB00ZXExcision of Skull, Open Approach, Diagnosticapproximate
- 0NB03ZXExcision of Skull, Percutaneous Approach, Diagnosticapproximate
- 0NB04ZXExcision of Skull, Percutaneous Endoscopic Approach, Diagnosticapproximate
Common questions about 01.15
What is the ICD-10 code for ICD-9 01.15?
- The GEMs map 01.15 to ICD-10-PCS 0N900ZX, 0N903ZX, 0N904ZX, 0NB00ZX, 0NB03ZX and 0NB04ZX.
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.