ICD-9-CM procedure code (retired)
77.94 — Total ostectomy, carpals and metacarpals
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 77.94
77.94 is an ICD-9-CM procedure code for total ostectomy, carpals and metacarpals. 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 4 ICD-10-PCS codes, such as 0PTM0ZZ (Resection of Right Carpal, Open Approach), 0PTN0ZZ (Resection of Left Carpal, Open Approach) and 0PTP0ZZ (Resection of Right Metacarpal, Open Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
Common questions about 77.94
What is the ICD-10 code for ICD-9 77.94?
- The GEMs map 77.94 to ICD-10-PCS 0PTM0ZZ, 0PTN0ZZ, 0PTP0ZZ and 0PTQ0ZZ.
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.