ICD-9-CM procedure code (retired)
77.99 — Total ostectomy, other bones
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 77.99
77.99 is an ICD-9-CM procedure code for total ostectomy, other bones. 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 0PTT0ZZ (Resection of Right Finger Phalanx, Open Approach), 0PTV0ZZ (Resection of Left Finger Phalanx, Open Approach) and 0QT20ZZ (Resection of Right Pelvic Bone, Open Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0PTT0ZZResection of Right Finger Phalanx, Open Approachapproximate
- 0PTV0ZZResection of Left Finger Phalanx, Open Approachapproximate
- 0QT20ZZResection of Right Pelvic Bone, Open Approachapproximate
- 0QT30ZZResection of Left Pelvic Bone, Open Approachapproximate
- 0QTQ0ZZResection of Right Toe Phalanx, Open Approachapproximate
- 0QTR0ZZResection of Left Toe Phalanx, Open Approachapproximate
Common questions about 77.99
What is the ICD-10 code for ICD-9 77.99?
- The GEMs map 77.99 to ICD-10-PCS 0PTT0ZZ, 0PTV0ZZ, 0QT20ZZ, 0QT30ZZ, 0QTQ0ZZ and 0QTR0ZZ.
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.