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ICD-9-CM procedure code (retired)

37.90 — Insertion of left atrial appendage device

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 37.90

37.90 is an ICD-9-CM procedure code for insertion of left atrial appendage device. 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 02L70CK (Occlusion of Left Atrial Appendage with Extraluminal Device, Open Approach), 02L70DK (Occlusion of Left Atrial Appendage with Intraluminal Device, Open Approach) and 02L73CK (Occlusion of Left Atrial Appendage with Extraluminal Device, Percutaneous Approach). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 37.90

What is the ICD-10 code for ICD-9 37.90?

The GEMs map 37.90 to ICD-10-PCS 02L70CK, 02L70DK, 02L73CK, 02L73DK, 02L74CK and 02L74DK.

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.