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ICD-9-CM procedure code (retired)

55.04 — Percutaneous nephrostomy with fragmentation

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 55.04

55.04 is an ICD-9-CM procedure code for percutaneous nephrostomy with fragmentation. 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 0TF33ZZ (Fragmentation in Right Kidney Pelvis, Percutaneous Approach), 0TF34ZZ (Fragmentation in Right Kidney Pelvis, Percutaneous Endoscopic Approach) and 0TF43ZZ (Fragmentation in Left Kidney Pelvis, Percutaneous Approach). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 55.04

What is the ICD-10 code for ICD-9 55.04?

The GEMs map 55.04 to ICD-10-PCS 0TF33ZZ, 0TF34ZZ, 0TF43ZZ and 0TF44ZZ.

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.