ICD-9-CM procedure code (retired)
29.54 — Lysis of pharyngeal adhesions
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 29.54
29.54 is an ICD-9-CM procedure code for lysis of pharyngeal adhesions. 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 10 ICD-10-PCS codes, such as 09NN0ZZ (Release Nasopharynx, Open Approach), 09NN3ZZ (Release Nasopharynx, Percutaneous Approach) and 09NN4ZZ (Release Nasopharynx, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 09NN0ZZRelease Nasopharynx, Open Approachapproximate
- 09NN3ZZRelease Nasopharynx, Percutaneous Approachapproximate
- 09NN4ZZRelease Nasopharynx, Percutaneous Endoscopic Approachapproximate
- 09NN7ZZRelease Nasopharynx, Via Natural or Artificial Openingapproximate
- 09NN8ZZRelease Nasopharynx, Via Natural or Artificial Opening Endoscopicapproximate
- 0CNM0ZZRelease Pharynx, Open Approachapproximate
- 0CNM3ZZRelease Pharynx, Percutaneous Approachapproximate
- 0CNM4ZZRelease Pharynx, Percutaneous Endoscopic Approachapproximate
- 0CNM7ZZRelease Pharynx, Via Natural or Artificial Openingapproximate
- 0CNM8ZZRelease Pharynx, Via Natural or Artificial Opening Endoscopicapproximate
Common questions about 29.54
What is the ICD-10 code for ICD-9 29.54?
- The GEMs map 29.54 to ICD-10-PCS 09NN0ZZ, 09NN3ZZ, 09NN4ZZ, 09NN7ZZ, 09NN8ZZ, 0CNM0ZZ and 4 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.