ICD-9-CM procedure code (retired)
56.33 — Closed endoscopic biopsy of ureter
About ICD-9-CM 56.33
56.33 is an ICD-9-CM procedure code for closed endoscopic biopsy of ureter. 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 7 ICD-10-PCS codes, such as 0T968ZX (Drainage of Right Ureter, Via Natural or Artificial Opening Endoscopic, Diagnostic), 0T978ZX (Drainage of Left Ureter, Via Natural or Artificial Opening Endoscopic, Diagnostic) and 0T988ZX (Drainage of Bilateral Ureters, Via Natural or Artificial Opening Endoscopic, Diagnostic). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0T968ZXDrainage of Right Ureter, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0T978ZXDrainage of Left Ureter, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0T988ZXDrainage of Bilateral Ureters, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0TB64ZXExcision of Right Ureter, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0TB68ZXExcision of Right Ureter, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
- 0TB74ZXExcision of Left Ureter, Percutaneous Endoscopic Approach, Diagnosticapproximate
- 0TB78ZXExcision of Left Ureter, Via Natural or Artificial Opening Endoscopic, Diagnosticapproximate
Common questions about 56.33
What is the ICD-10 code for ICD-9 56.33?
- The GEMs map 56.33 to ICD-10-PCS 0T968ZX, 0T978ZX, 0T988ZX, 0TB64ZX, 0TB68ZX, 0TB74ZX and 1 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.