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ICD-9-CM procedure code (retired)

33.24 — Closed [endoscopic] biopsy of bronchus

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 33.24

33.24 is an ICD-9-CM procedure code for closed [endoscopic] biopsy of bronchus. 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 80 ICD-10-PCS codes, such as 0B933ZX (Drainage of Right Main Bronchus, Percutaneous Approach, Diagnostic), 0B934ZX (Drainage of Right Main Bronchus, Percutaneous Endoscopic Approach, Diagnostic) and 0B937ZX (Drainage of Right Main Bronchus, 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

Common questions about 33.24

What is the ICD-10 code for ICD-9 33.24?

The GEMs map 33.24 to ICD-10-PCS 0B933ZX, 0B934ZX, 0B937ZX, 0B938ZX, 0B943ZX, 0B944ZX and 74 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.