ICD-9-CM procedure code (retired)
51.51 — Exploration of common duct
About ICD-9-CM 51.51
51.51 is an ICD-9-CM procedure code for exploration of common duct. 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 5 ICD-10-PCS codes, such as 0F9900Z (Drainage of Common Bile Duct with Drainage Device, Open Approach), 0F990ZZ (Drainage of Common Bile Duct, Open Approach) and 0F9940Z (Drainage of Common Bile Duct 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
- 0F9900ZDrainage of Common Bile Duct with Drainage Device, Open Approachapproximate
- 0F990ZZDrainage of Common Bile Duct, Open Approachapproximate
- 0F9940ZDrainage of Common Bile Duct with Drainage Device, Percutaneous Endoscopic Approachapproximate
- 0FJB0ZZInspection of Hepatobiliary Duct, Open Approachapproximate
- 0FJB4ZZInspection of Hepatobiliary Duct, Percutaneous Endoscopic Approachapproximate
Common questions about 51.51
What is the ICD-10 code for ICD-9 51.51?
- The GEMs map 51.51 to ICD-10-PCS 0F9900Z, 0F990ZZ, 0F9940Z, 0FJB0ZZ and 0FJB4ZZ.
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.