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ICD-9-CM procedure code (retired)

55.02 — Nephrostomy

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 55.02

55.02 is an ICD-9-CM procedure code for nephrostomy. 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 6 ICD-10-PCS codes, such as 0T9000Z (Drainage of Right Kidney with Drainage Device, Open Approach), 0T9070Z (Drainage of Right Kidney with Drainage Device, Via Natural or Artificial Opening) and 0T9080Z (Drainage of Right Kidney with Drainage Device, Via Natural or Artificial Opening Endoscopic). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 55.02

What is the ICD-10 code for ICD-9 55.02?

The GEMs map 55.02 to ICD-10-PCS 0T9000Z, 0T9070Z, 0T9080Z, 0T9100Z, 0T9170Z and 0T9180Z.

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.