ICD-9-CM procedure code (retired)
51.81 — Dilation of sphincter of Oddi
About ICD-9-CM 51.81
51.81 is an ICD-9-CM procedure code for dilation of sphincter of Oddi. 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 8 ICD-10-PCS codes, such as 0F7C0DZ (Dilation of Ampulla of Vater with Intraluminal Device, Open Approach), 0F7C0ZZ (Dilation of Ampulla of Vater, Open Approach) and 0F7C3DZ (Dilation of Ampulla of Vater with Intraluminal Device, Percutaneous Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 0F7C0DZDilation of Ampulla of Vater with Intraluminal Device, Open Approachapproximate
- 0F7C0ZZDilation of Ampulla of Vater, Open Approachapproximate
- 0F7C3DZDilation of Ampulla of Vater with Intraluminal Device, Percutaneous Approachapproximate
- 0F7C3ZZDilation of Ampulla of Vater, Percutaneous Approachapproximate
- 0F7C4DZDilation of Ampulla of Vater with Intraluminal Device, Percutaneous Endoscopic Approachapproximate
- 0F7C4ZZDilation of Ampulla of Vater, Percutaneous Endoscopic Approachapproximate
- 0F7C7DZDilation of Ampulla of Vater with Intraluminal Device, Via Natural or Artificial Openingapproximate
- 0F7C7ZZDilation of Ampulla of Vater, Via Natural or Artificial Openingapproximate
Common questions about 51.81
What is the ICD-10 code for ICD-9 51.81?
- The GEMs map 51.81 to ICD-10-PCS 0F7C0DZ, 0F7C0ZZ, 0F7C3DZ, 0F7C3ZZ, 0F7C4DZ, 0F7C4ZZ and 2 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.