ICD-9-CM procedure code (retired)
01.19 — Other diagnostic procedures on 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 01.19
01.19 is an ICD-9-CM procedure code for other diagnostic procedures on 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 2 ICD-10-PCS codes, such as 0NJ00ZZ (Inspection of Skull, Open Approach) and 0NJ04ZZ (Inspection of Skull, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
Common questions about 01.19
What is the ICD-10 code for ICD-9 01.19?
- The GEMs map 01.19 to ICD-10-PCS 0NJ00ZZ and 0NJ04ZZ.
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.