ICD-9-CM procedure code (retired)
29.12 — Pharyngeal biopsy
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 29.12
29.12 is an ICD-9-CM procedure code for pharyngeal biopsy. 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 20 ICD-10-PCS codes, such as 099N0ZX (Drainage of Nasopharynx, Open Approach, Diagnostic), 099N3ZX (Drainage of Nasopharynx, Percutaneous Approach, Diagnostic) and 099N4ZX (Drainage of Nasopharynx, Percutaneous Endoscopic Approach, Diagnostic). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 099N0ZXDrainage of Nasopharynx, Open Approach, Diagnosticapproximate
- 099N3ZXDrainage of Nasopharynx, Percutaneous Approach, Diagnosticapproximate
- 099N4ZXDrainage of Nasopharynx, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 099N7ZXDrainage of Nasopharynx, Via Natural or Artificial Opening, Diagnosticapproximate
- 099N8ZXDrainage of Nasopharynx, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 09BN0ZXExcision of Nasopharynx, Open Approach, Diagnosticapproximate
- 09BN3ZXExcision of Nasopharynx, Percutaneous Approach, Diagnosticapproximate
- 09BN4ZXExcision of Nasopharynx, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 09BN7ZXExcision of Nasopharynx, Via Natural or Artificial Opening, Diagnosticapproximate
- 09BN8ZXExcision of Nasopharynx, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0C9M0ZXDrainage of Pharynx, Open Approach, Diagnosticapproximate
- 0C9M3ZXDrainage of Pharynx, Percutaneous Approach, Diagnosticapproximate
- 0C9M4ZXDrainage of Pharynx, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0C9M7ZXDrainage of Pharynx, Via Natural or Artificial Opening, Diagnosticapproximate
- 0C9M8ZXDrainage of Pharynx, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0CBM0ZXExcision of Pharynx, Open Approach, Diagnosticapproximate
- 0CBM3ZXExcision of Pharynx, Percutaneous Approach, Diagnosticapproximate
- 0CBM4ZXExcision of Pharynx, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0CBM7ZXExcision of Pharynx, Via Natural or Artificial Opening, Diagnosticapproximate
- 0CBM8ZXExcision of Pharynx, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
Common questions about 29.12
What is the ICD-10 code for ICD-9 29.12?
- The GEMs map 29.12 to ICD-10-PCS 099N0ZX, 099N3ZX, 099N4ZX, 099N7ZX, 099N8ZX, 09BN0ZX and 14 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.