ICD-9-CM procedure code (retired)
31.43 — Closed [endoscopic] biopsy of larynx
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 31.43
31.43 is an ICD-9-CM procedure code for closed [endoscopic] biopsy of larynx. 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 32 ICD-10-PCS codes, such as 0C9R3ZX (Drainage of Epiglottis, Percutaneous Approach, Diagnostic), 0C9R4ZX (Drainage of Epiglottis, Percutaneous Endoscopic Approach, Diagnostic) and 0C9R7ZX (Drainage of Epiglottis, Via Natural or Artificial Opening, Diagnostic). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0C9R3ZXDrainage of Epiglottis, Percutaneous Approach, Diagnosticapproximate
- 0C9R4ZXDrainage of Epiglottis, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0C9R7ZXDrainage of Epiglottis, Via Natural or Artificial Opening, Diagnosticapproximate
- 0C9R8ZXDrainage of Epiglottis, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0C9S3ZXDrainage of Larynx, Percutaneous Approach, Diagnosticapproximate
- 0C9S4ZXDrainage of Larynx, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0C9S7ZXDrainage of Larynx, Via Natural or Artificial Opening, Diagnosticapproximate
- 0C9S8ZXDrainage of Larynx, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0C9T3ZXDrainage of Right Vocal Cord, Percutaneous Approach, Diagnosticapproximate
- 0C9T4ZXDrainage of Right Vocal Cord, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0C9T7ZXDrainage of Right Vocal Cord, Via Natural or Artificial Opening, Diagnosticapproximate
- 0C9T8ZXDrainage of Right Vocal Cord, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0C9V3ZXDrainage of Left Vocal Cord, Percutaneous Approach, Diagnosticapproximate
- 0C9V4ZXDrainage of Left Vocal Cord, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0C9V7ZXDrainage of Left Vocal Cord, Via Natural or Artificial Opening, Diagnosticapproximate
- 0C9V8ZXDrainage of Left Vocal Cord, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0CBR3ZXExcision of Epiglottis, Percutaneous Approach, Diagnosticapproximate
- 0CBR4ZXExcision of Epiglottis, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0CBR7ZXExcision of Epiglottis, Via Natural or Artificial Opening, Diagnosticapproximate
- 0CBR8ZXExcision of Epiglottis, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0CBS3ZXExcision of Larynx, Percutaneous Approach, Diagnosticapproximate
- 0CBS4ZXExcision of Larynx, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0CBS7ZXExcision of Larynx, Via Natural or Artificial Opening, Diagnosticapproximate
- 0CBS8ZXExcision of Larynx, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0CBT3ZXExcision of Right Vocal Cord, Percutaneous Approach, Diagnosticapproximate
- 0CBT4ZXExcision of Right Vocal Cord, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0CBT7ZXExcision of Right Vocal Cord, Via Natural or Artificial Opening, Diagnosticapproximate
- 0CBT8ZXExcision of Right Vocal Cord, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0CBV3ZXExcision of Left Vocal Cord, Percutaneous Approach, Diagnosticapproximate
- 0CBV4ZXExcision of Left Vocal Cord, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0CBV7ZXExcision of Left Vocal Cord, Via Natural or Artificial Opening, Diagnosticapproximate
- 0CBV8ZXExcision of Left Vocal Cord, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
Common questions about 31.43
What is the ICD-10 code for ICD-9 31.43?
- The GEMs map 31.43 to ICD-10-PCS 0C9R3ZX, 0C9R4ZX, 0C9R7ZX, 0C9R8ZX, 0C9S3ZX, 0C9S4ZX and 26 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.