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ICD-9-CM procedure code (retired)

55.51 — Nephroureterectomy

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 55.51

55.51 is an ICD-9-CM procedure code for Nephroureterectomy. 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 16 ICD-10-PCS codes, such as 0TT00ZZ (Resection of Right Kidney, Open Approach), 0TT00ZZ (Resection of Right Kidney, Open Approach) and 0TT04ZZ (Resection of Right Kidney, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one. Some mappings are combinations: more than one ICD-10 code is needed to fully express the ICD-9 code.

ICD-10-PCS equivalents

Common questions about 55.51

What is the ICD-10 code for ICD-9 55.51?

The GEMs map 55.51 to ICD-10-PCS 0TT00ZZ, 0TT00ZZ, 0TT04ZZ, 0TT04ZZ, 0TT10ZZ, 0TT10ZZ and 10 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.