ICD-9-CM procedure code (retired)
77.42 — Biopsy of bone, humerus
About ICD-9-CM 77.42
77.42 is an ICD-9-CM procedure code for biopsy of bone, humerus. 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 24 ICD-10-PCS codes, such as 0P9C0ZX (Drainage of Right Humeral Head, Open Approach, Diagnostic), 0P9C3ZX (Drainage of Right Humeral Head, Percutaneous Approach, Diagnostic) and 0P9C4ZX (Drainage of Right Humeral Head, Percutaneous Endoscopic Approach, Diagnostic). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0P9C0ZXDrainage of Right Humeral Head, Open Approach, Diagnosticapproximate
- 0P9C3ZXDrainage of Right Humeral Head, Percutaneous Approach, Diagnosticapproximate
- 0P9C4ZXDrainage of Right Humeral Head, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0P9D0ZXDrainage of Left Humeral Head, Open Approach, Diagnosticapproximate
- 0P9D3ZXDrainage of Left Humeral Head, Percutaneous Approach, Diagnosticapproximate
- 0P9D4ZXDrainage of Left Humeral Head, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0P9F0ZXDrainage of Right Humeral Shaft, Open Approach, Diagnosticapproximate
- 0P9F3ZXDrainage of Right Humeral Shaft, Percutaneous Approach, Diagnosticapproximate
- 0P9F4ZXDrainage of Right Humeral Shaft, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0P9G0ZXDrainage of Left Humeral Shaft, Open Approach, Diagnosticapproximate
- 0P9G3ZXDrainage of Left Humeral Shaft, Percutaneous Approach, Diagnosticapproximate
- 0P9G4ZXDrainage of Left Humeral Shaft, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0PBC0ZXExcision of Right Humeral Head, Open Approach, Diagnosticapproximate
- 0PBC3ZXExcision of Right Humeral Head, Percutaneous Approach, Diagnosticapproximate
- 0PBC4ZXExcision of Right Humeral Head, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0PBD0ZXExcision of Left Humeral Head, Open Approach, Diagnosticapproximate
- 0PBD3ZXExcision of Left Humeral Head, Percutaneous Approach, Diagnosticapproximate
- 0PBD4ZXExcision of Left Humeral Head, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0PBF0ZXExcision of Right Humeral Shaft, Open Approach, Diagnosticapproximate
- 0PBF3ZXExcision of Right Humeral Shaft, Percutaneous Approach, Diagnosticapproximate
- 0PBF4ZXExcision of Right Humeral Shaft, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0PBG0ZXExcision of Left Humeral Shaft, Open Approach, Diagnosticapproximate
- 0PBG3ZXExcision of Left Humeral Shaft, Percutaneous Approach, Diagnosticapproximate
- 0PBG4ZXExcision of Left Humeral Shaft, Percutaneous Endoscopic Approach, Diagnosticapproximate
Common questions about 77.42
What is the ICD-10 code for ICD-9 77.42?
- The GEMs map 77.42 to ICD-10-PCS 0P9C0ZX, 0P9C3ZX, 0P9C4ZX, 0P9D0ZX, 0P9D3ZX, 0P9D4ZX and 18 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.