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ICD-9-CM procedure code (retired)

51.13 — Open biopsy of gallbladder or bile ducts

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 51.13

51.13 is an ICD-9-CM procedure code for open biopsy of gallbladder or bile ducts. 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 15 ICD-10-PCS codes, such as 0F940ZX (Drainage of Gallbladder, Open Approach, Diagnostic), 0F950ZX (Drainage of Right Hepatic Duct, Open Approach, Diagnostic) and 0F960ZX (Drainage of Left Hepatic Duct, Open Approach, Diagnostic). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 51.13

What is the ICD-10 code for ICD-9 51.13?

The GEMs map 51.13 to ICD-10-PCS 0F940ZX, 0F950ZX, 0F960ZX, 0F970ZX, 0F980ZX, 0F990ZX and 9 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.