ICD-9-CM procedure code (retired)
22.12 — Open biopsy of nasal sinus
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 22.12
22.12 is an ICD-9-CM procedure code for open biopsy of nasal sinus. 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 18 ICD-10-PCS codes, such as 099P0ZX (Drainage of Accessory Sinus, Open Approach, Diagnostic), 099Q0ZX (Drainage of Right Maxillary Sinus, Open Approach, Diagnostic) and 099R0ZX (Drainage of Left Maxillary Sinus, Open Approach, Diagnostic). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 099P0ZXDrainage of Accessory Sinus, Open Approach, Diagnosticapproximate
- 099Q0ZXDrainage of Right Maxillary Sinus, Open Approach, Diagnosticapproximate
- 099R0ZXDrainage of Left Maxillary Sinus, Open Approach, Diagnosticapproximate
- 099S0ZXDrainage of Right Frontal Sinus, Open Approach, Diagnosticapproximate
- 099T0ZXDrainage of Left Frontal Sinus, Open Approach, Diagnosticapproximate
- 099U0ZXDrainage of Right Ethmoid Sinus, Open Approach, Diagnosticapproximate
- 099V0ZXDrainage of Left Ethmoid Sinus, Open Approach, Diagnosticapproximate
- 099W0ZXDrainage of Right Sphenoid Sinus, Open Approach, Diagnosticapproximate
- 099X0ZXDrainage of Left Sphenoid Sinus, Open Approach, Diagnosticapproximate
- 09BP0ZXExcision of Accessory Sinus, Open Approach, Diagnosticapproximate
- 09BQ0ZXExcision of Right Maxillary Sinus, Open Approach, Diagnosticapproximate
- 09BR0ZXExcision of Left Maxillary Sinus, Open Approach, Diagnosticapproximate
- 09BS0ZXExcision of Right Frontal Sinus, Open Approach, Diagnosticapproximate
- 09BT0ZXExcision of Left Frontal Sinus, Open Approach, Diagnosticapproximate
- 09BU0ZXExcision of Right Ethmoid Sinus, Open Approach, Diagnosticapproximate
- 09BV0ZXExcision of Left Ethmoid Sinus, Open Approach, Diagnosticapproximate
- 09BW0ZXExcision of Right Sphenoid Sinus, Open Approach, Diagnosticapproximate
- 09BX0ZXExcision of Left Sphenoid Sinus, Open Approach, Diagnosticapproximate
Common questions about 22.12
What is the ICD-10 code for ICD-9 22.12?
- The GEMs map 22.12 to ICD-10-PCS 099P0ZX, 099Q0ZX, 099R0ZX, 099S0ZX, 099T0ZX, 099U0ZX and 12 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.