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ICD-9-CM procedure code (retired)

56.73 — Nephrocystanastomosis, not otherwise specified

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 56.73

56.73 is an ICD-9-CM procedure code for Nephrocystanastomosis, not otherwise specified. 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 4 ICD-10-PCS codes, such as 0T130ZB (Bypass Right Kidney Pelvis to Bladder, Open Approach), 0T134ZB (Bypass Right Kidney Pelvis to Bladder, Percutaneous Endoscopic Approach) and 0T140ZB (Bypass Left Kidney Pelvis to Bladder, Open Approach). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 56.73

What is the ICD-10 code for ICD-9 56.73?

The GEMs map 56.73 to ICD-10-PCS 0T130ZB, 0T134ZB, 0T140ZB and 0T144ZB.

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.