ICD-9-CM procedure code (retired)
45.01 — Incision of duodenum
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 45.01
45.01 is an ICD-9-CM procedure code for incision of duodenum. 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 9 ICD-10-PCS codes, such as 0D9900Z (Drainage of Duodenum with Drainage Device, Open Approach), 0D990ZZ (Drainage of Duodenum, Open Approach) and 0D9940Z (Drainage of Duodenum with Drainage Device, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0D9900ZDrainage of Duodenum with Drainage Device, Open Approachapproximate
- 0D990ZZDrainage of Duodenum, Open Approachapproximate
- 0D9940ZDrainage of Duodenum with Drainage Device, Percutaneous Endoscopic Approachapproximate
- 0D994ZZDrainage of Duodenum, Percutaneous Endoscopic Approachapproximate
- 0D997ZZDrainage of Duodenum, Via Natural or Artificial Openingapproximate
- 0D998ZZDrainage of Duodenum, Via Natural or Artificial Opening Endoscopicapproximate
- 0DC90ZZExtirpation of Matter from Duodenum, Open Approachapproximate
- 0DC93ZZExtirpation of Matter from Duodenum, Percutaneous Approachapproximate
- 0DC94ZZExtirpation of Matter from Duodenum, Percutaneous Endoscopic Approachapproximate
Common questions about 45.01
What is the ICD-10 code for ICD-9 45.01?
- The GEMs map 45.01 to ICD-10-PCS 0D9900Z, 0D990ZZ, 0D9940Z, 0D994ZZ, 0D997ZZ, 0D998ZZ and 3 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.