Skip to content
Dx

ICD-9-CM procedure code (retired)

41.31 — Biopsy of bone marrow

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 41.31

41.31 is an ICD-9-CM procedure code for biopsy of bone marrow. 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 079T0ZX (Drainage of Bone Marrow, Open Approach, Diagnostic), 079T3ZX (Drainage of Bone Marrow, Percutaneous Approach, Diagnostic) and 079T4ZX (Drainage of Bone Marrow, Percutaneous Endoscopic Approach, Diagnostic). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 41.31

What is the ICD-10 code for ICD-9 41.31?

The GEMs map 41.31 to ICD-10-PCS 079T0ZX, 079T3ZX, 079T4ZX, 07DQ0ZX, 07DQ3ZX, 07DR0ZX 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.