ICD-9-CM procedure code (retired)
21.5 — Submucous resection of nasal septum
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 21.5
21.5 is an ICD-9-CM procedure code for submucous resection of nasal septum. 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 7 ICD-10-PCS codes, such as 09BM0ZZ (Excision of Nasal Septum, Open Approach), 09BM3ZZ (Excision of Nasal Septum, Percutaneous Approach) and 09BM4ZZ (Excision of Nasal Septum, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 09BM0ZZExcision of Nasal Septum, Open Approachapproximate
- 09BM3ZZExcision of Nasal Septum, Percutaneous Approachapproximate
- 09BM4ZZExcision of Nasal Septum, Percutaneous Endoscopic Approachapproximate
- 09BM8ZZExcision of Nasal Septum, Via Natural or Artificial Opening Endoscopicapproximate
- 09TM0ZZResection of Nasal Septum, Open Approachapproximate
- 09TM4ZZResection of Nasal Septum, Percutaneous Endoscopic Approachapproximate
- 09TM8ZZResection of Nasal Septum, Via Natural or Artificial Opening Endoscopicapproximate
Common questions about 21.5
What is the ICD-10 code for ICD-9 21.5?
- The GEMs map 21.5 to ICD-10-PCS 09BM0ZZ, 09BM3ZZ, 09BM4ZZ, 09BM8ZZ, 09TM0ZZ, 09TM4ZZ and 1 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.