ICD-9-CM procedure code (retired)
31.42 — Laryngoscopy and other tracheoscopy
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 31.42
31.42 is an ICD-9-CM procedure code for Laryngoscopy and other tracheoscopy. 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 4 ICD-10-PCS codes, such as 0BJ14ZZ (Inspection of Trachea, Percutaneous Endoscopic Approach), 0BJ18ZZ (Inspection of Trachea, Via Natural or Artificial Opening Endoscopic) and 0CJS4ZZ (Inspection of Larynx, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0BJ14ZZInspection of Trachea, Percutaneous Endoscopic Approachapproximate
- 0BJ18ZZInspection of Trachea, Via Natural or Artificial Opening Endoscopicapproximate
- 0CJS4ZZInspection of Larynx, Percutaneous Endoscopic Approachapproximate
- 0CJS8ZZInspection of Larynx, Via Natural or Artificial Opening Endoscopicapproximate
Common questions about 31.42
What is the ICD-10 code for ICD-9 31.42?
- The GEMs map 31.42 to ICD-10-PCS 0BJ14ZZ, 0BJ18ZZ, 0CJS4ZZ and 0CJS8ZZ.
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.