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ICD-9-CM procedure code (retired)

01.41 — Operations on thalamus

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 01.41

01.41 is an ICD-9-CM procedure code for operations on thalamus. 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 21 ICD-10-PCS codes, such as 00590ZZ (Destruction of Thalamus, Open Approach), 00593ZZ (Destruction of Thalamus, Percutaneous Approach) and 00594ZZ (Destruction of Thalamus, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 01.41

What is the ICD-10 code for ICD-9 01.41?

The GEMs map 01.41 to ICD-10-PCS 00590ZZ, 00593ZZ, 00594ZZ, 009900Z, 00990ZZ, 009930Z and 15 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.