ICD-9-CM procedure code (retired)
31.45 — Open biopsy of larynx or trachea
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 31.45
31.45 is an ICD-9-CM procedure code for open biopsy of larynx or trachea. 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 12 ICD-10-PCS codes, such as 0B910ZX (Drainage of Trachea, Open Approach, Diagnostic), 0B920ZX (Drainage of Carina, Open Approach, Diagnostic) and 0BB10ZX (Excision of Trachea, Open Approach, Diagnostic). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0B910ZXDrainage of Trachea, Open Approach, Diagnosticapproximate
- 0B920ZXDrainage of Carina, Open Approach, Diagnosticapproximate
- 0BB10ZXExcision of Trachea, Open Approach, Diagnosticapproximate
- 0BB20ZXExcision of Carina, Open Approach, Diagnosticapproximate
- 0C9R0ZXDrainage of Epiglottis, Open Approach, Diagnosticapproximate
- 0C9S0ZXDrainage of Larynx, Open Approach, Diagnosticapproximate
- 0C9T0ZXDrainage of Right Vocal Cord, Open Approach, Diagnosticapproximate
- 0C9V0ZXDrainage of Left Vocal Cord, Open Approach, Diagnosticapproximate
- 0CBR0ZXExcision of Epiglottis, Open Approach, Diagnosticapproximate
- 0CBS0ZXExcision of Larynx, Open Approach, Diagnosticapproximate
- 0CBT0ZXExcision of Right Vocal Cord, Open Approach, Diagnosticapproximate
- 0CBV0ZXExcision of Left Vocal Cord, Open Approach, Diagnosticapproximate
Common questions about 31.45
What is the ICD-10 code for ICD-9 31.45?
- The GEMs map 31.45 to ICD-10-PCS 0B910ZX, 0B920ZX, 0BB10ZX, 0BB20ZX, 0C9R0ZX, 0C9S0ZX and 6 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.