ICD-9-CM procedure code (retired)
55.85 — Symphysiotomy for horseshoe kidney
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 55.85
55.85 is an ICD-9-CM procedure code for Symphysiotomy for horseshoe kidney. 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 3 ICD-10-PCS codes, such as 0T820ZZ (Division of Bilateral Kidneys, Open Approach), 0T823ZZ (Division of Bilateral Kidneys, Percutaneous Approach) and 0T824ZZ (Division 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 55.85
What is the ICD-10 code for ICD-9 55.85?
- The GEMs map 55.85 to ICD-10-PCS 0T820ZZ, 0T823ZZ and 0T824ZZ.
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.