ICD-9-CM procedure code (retired)
77.90 — Total ostectomy, unspecified 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 77.90
77.90 is an ICD-9-CM procedure code for total ostectomy, unspecified 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 41 ICD-10-PCS codes, such as 0PT00ZZ (Resection of Sternum, Open Approach), 0PT10ZZ (Resection of 1 to 2 Ribs, Open Approach) and 0PT20ZZ (Resection of 3 or More Ribs, Open Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0PT00ZZResection of Sternum, Open Approachapproximate
- 0PT10ZZResection of 1 to 2 Ribs, Open Approachapproximate
- 0PT20ZZResection of 3 or More Ribs, Open Approachapproximate
- 0PT50ZZResection of Right Scapula, Open Approachapproximate
- 0PT60ZZResection of Left Scapula, Open Approachapproximate
- 0PT90ZZResection of Right Clavicle, Open Approachapproximate
- 0PTB0ZZResection of Left Clavicle, Open Approachapproximate
- 0PTC0ZZResection of Right Humeral Head, Open Approachapproximate
- 0PTD0ZZResection of Left Humeral Head, Open Approachapproximate
- 0PTF0ZZResection of Right Humeral Shaft, Open Approachapproximate
- 0PTG0ZZResection of Left Humeral Shaft, Open Approachapproximate
- 0PTH0ZZResection of Right Radius, Open Approachapproximate
- 0PTJ0ZZResection of Left Radius, Open Approachapproximate
- 0PTK0ZZResection of Right Ulna, Open Approachapproximate
- 0PTL0ZZResection of Left Ulna, Open Approachapproximate
- 0PTM0ZZResection of Right Carpal, Open Approachapproximate
- 0PTN0ZZResection of Left Carpal, Open Approachapproximate
- 0PTP0ZZResection of Right Metacarpal, Open Approachapproximate
- 0PTQ0ZZResection of Left Metacarpal, Open Approachapproximate
- 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
- 0QT60ZZResection of Right Upper Femur, Open Approachapproximate
- 0QT70ZZResection of Left Upper Femur, Open Approachapproximate
- 0QT80ZZResection of Right Femoral Shaft, Open Approachapproximate
- 0QT90ZZResection of Left Femoral Shaft, Open Approachapproximate
- 0QTB0ZZResection of Right Lower Femur, Open Approachapproximate
- 0QTC0ZZResection of Left Lower Femur, Open Approachapproximate
- 0QTD0ZZResection of Right Patella, Open Approachapproximate
- 0QTF0ZZResection of Left Patella, Open Approachapproximate
- 0QTG0ZZResection of Right Tibia, Open Approachapproximate
- 0QTH0ZZResection of Left Tibia, Open Approachapproximate
- 0QTJ0ZZResection of Right Fibula, Open Approachapproximate
- 0QTK0ZZResection of Left Fibula, Open Approachapproximate
- 0QTL0ZZResection of Right Tarsal, Open Approachapproximate
- 0QTM0ZZResection of Left Tarsal, Open Approachapproximate
- 0QTN0ZZResection of Right Metatarsal, Open Approachapproximate
- 0QTP0ZZResection of Left Metatarsal, Open Approachapproximate
- 0QTQ0ZZResection of Right Toe Phalanx, Open Approachapproximate
- 0QTR0ZZResection of Left Toe Phalanx, Open Approachapproximate
Common questions about 77.90
What is the ICD-10 code for ICD-9 77.90?
- The GEMs map 77.90 to ICD-10-PCS 0PT00ZZ, 0PT10ZZ, 0PT20ZZ, 0PT50ZZ, 0PT60ZZ, 0PT90ZZ and 35 more.
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.