ICD-9-CM procedure code (retired)
34.99 — Other operations on thorax
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 34.99
34.99 is an ICD-9-CM procedure code for other operations on thorax. 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 9 ICD-10-PCS codes, such as 0BNN0ZZ (Release Right Pleura, Open Approach), 0BNN3ZZ (Release Right Pleura, Percutaneous Approach) and 0BNN4ZZ (Release Right Pleura, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0BNN0ZZRelease Right Pleura, Open Approachapproximate
- 0BNN3ZZRelease Right Pleura, Percutaneous Approachapproximate
- 0BNN4ZZRelease Right Pleura, Percutaneous Endoscopic Approachapproximate
- 0BNP0ZZRelease Left Pleura, Open Approachapproximate
- 0BNP3ZZRelease Left Pleura, Percutaneous Approachapproximate
- 0BNP4ZZRelease Left Pleura, Percutaneous Endoscopic Approachapproximate
- 0WQC0ZZRepair Mediastinum, Open Approachapproximate
- 0WQC3ZZRepair Mediastinum, Percutaneous Approachapproximate
- 0WQC4ZZRepair Mediastinum, Percutaneous Endoscopic Approachapproximate
Common questions about 34.99
What is the ICD-10 code for ICD-9 34.99?
- The GEMs map 34.99 to ICD-10-PCS 0BNN0ZZ, 0BNN3ZZ, 0BNN4ZZ, 0BNP0ZZ, 0BNP3ZZ, 0BNP4ZZ and 3 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.