ICD-9-CM procedure code (retired)
55.54 — Bilateral nephrectomy
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 55.54
55.54 is an ICD-9-CM procedure code for bilateral nephrectomy. 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 2 ICD-10-PCS codes, such as 0TT20ZZ (Resection of Bilateral Kidneys, Open Approach) and 0TT24ZZ (Resection of Bilateral Kidneys, 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 55.54
What is the ICD-10 code for ICD-9 55.54?
- The GEMs map 55.54 to ICD-10-PCS 0TT20ZZ and 0TT24ZZ.
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.