ICD-9-CM procedure code (retired)
37.33 — Excision or destruction of other lesion or tissue of heart, open approach
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 37.33
37.33 is an ICD-9-CM procedure code for excision or destruction of other lesion or tissue of heart, open approach. 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 02560ZZ (Destruction of Right Atrium, Open Approach), 02570ZZ (Destruction of Left Atrium, Open Approach) and 025K0ZZ (Destruction of Right Ventricle, Open Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 02560ZZDestruction of Right Atrium, Open Approachapproximate
- 02570ZZDestruction of Left Atrium, Open Approachapproximate
- 025K0ZZDestruction of Right Ventricle, Open Approachapproximate
- 025L0ZZDestruction of Left Ventricle, Open Approachapproximate
- 02B60ZZExcision of Right Atrium, Open Approachapproximate
- 02B70ZZExcision of Left Atrium, Open Approachapproximate
- 02BK0ZZExcision of Right Ventricle, Open Approachapproximate
- 02BL0ZZExcision of Left Ventricle, Open Approachapproximate
- 02T80ZZResection of Conduction Mechanism, Open Approachapproximate
Common questions about 37.33
What is the ICD-10 code for ICD-9 37.33?
- The GEMs map 37.33 to ICD-10-PCS 02560ZZ, 02570ZZ, 025K0ZZ, 025L0ZZ, 02B60ZZ, 02B70ZZ 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.