ICD-9-CM procedure code (retired)
35.31 — Operations on papillary muscle
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 35.31
35.31 is an ICD-9-CM procedure code for operations on papillary muscle. 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 6 ICD-10-PCS codes, such as 028D0ZZ (Division of Papillary Muscle, Open Approach), 028D3ZZ (Division of Papillary Muscle, Percutaneous Approach) and 028D4ZZ (Division of Papillary Muscle, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 028D0ZZDivision of Papillary Muscle, Open Approachapproximate
- 028D3ZZDivision of Papillary Muscle, Percutaneous Approachapproximate
- 028D4ZZDivision of Papillary Muscle, Percutaneous Endoscopic Approachapproximate
- 02QD0ZZRepair Papillary Muscle, Open Approachapproximate
- 02QD3ZZRepair Papillary Muscle, Percutaneous Approachapproximate
- 02QD4ZZRepair Papillary Muscle, Percutaneous Endoscopic Approachapproximate
Common questions about 35.31
What is the ICD-10 code for ICD-9 35.31?
- The GEMs map 35.31 to ICD-10-PCS 028D0ZZ, 028D3ZZ, 028D4ZZ, 02QD0ZZ, 02QD3ZZ and 02QD4ZZ.
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.