ICD-9-CM procedure code (retired)
33.20 — Thoracoscopic lung biopsy
About ICD-9-CM 33.20
33.20 is an ICD-9-CM procedure code for thoracoscopic lung biopsy. 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 18 ICD-10-PCS codes, such as 0BBC4ZX (Excision of Right Upper Lung Lobe, Percutaneous Endoscopic Approach, Diagnostic), 0BBD4ZX (Excision of Right Middle Lung Lobe, Percutaneous Endoscopic Approach, Diagnostic) and 0BBF4ZX (Excision of Right Lower Lung Lobe, Percutaneous Endoscopic Approach, Diagnostic). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0BBC4ZXExcision of Right Upper Lung Lobe, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BBD4ZXExcision of Right Middle Lung Lobe, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BBF4ZXExcision of Right Lower Lung Lobe, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BBG4ZXExcision of Left Upper Lung Lobe, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BBH4ZXExcision of Lung Lingula, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BBJ4ZXExcision of Left Lower Lung Lobe, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BBK4ZXExcision of Right Lung, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BBL4ZXExcision of Left Lung, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BBM4ZXExcision of Bilateral Lungs, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BDC4ZXExtraction of Right Upper Lung Lobe, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BDD4ZXExtraction of Right Middle Lung Lobe, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BDF4ZXExtraction of Right Lower Lung Lobe, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BDG4ZXExtraction of Left Upper Lung Lobe, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BDH4ZXExtraction of Lung Lingula, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BDJ4ZXExtraction of Left Lower Lung Lobe, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BDK4ZXExtraction of Right Lung, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BDL4ZXExtraction of Left Lung, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0BDM4ZXExtraction of Bilateral Lungs, Percutaneous Endoscopic Approach, Diagnosticapproximate
Common questions about 33.20
What is the ICD-10 code for ICD-9 33.20?
- The GEMs map 33.20 to ICD-10-PCS 0BBC4ZX, 0BBD4ZX, 0BBF4ZX, 0BBG4ZX, 0BBH4ZX, 0BBJ4ZX and 12 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.