Release Common Hepatic Duct, Open Approach

ValidICD-10-PCS procedure code.

Valid for claims with a date of service in the current code year.

Valid FY2018 onwards.

What has happened to this code

Every change the publisher made, from 2018 to now.

Each character is read in its own position, so the same letter means different things in different places. Definitions are CMS's own.

Freeing a body part from an abnormal physical constraint by cutting or by the use of force

Some of the restraining tissue may be taken out but none of the body part is taken out

For example

Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

Code	Description	Status
0FN00ZZ	Release Liver, Open Approach	Valid
0FN03ZZ	Release Liver, Percutaneous Approach	Valid
0FN04ZZ	Release Liver, Percutaneous Endoscopic Approach	Valid
0FN10ZZ	Release Right Lobe Liver, Open Approach	Valid
0FN13ZZ	Release Right Lobe Liver, Percutaneous Approach	Valid
0FN14ZZ	Release Right Lobe Liver, Percutaneous Endoscopic Approach	Valid
0FN20ZZ	Release Left Lobe Liver, Open Approach	Valid
0FN23ZZ	Release Left Lobe Liver, Percutaneous Approach	Valid
0FN24ZZ	Release Left Lobe Liver, Percutaneous Endoscopic Approach	Valid
0FN40ZZ	Release Gallbladder, Open Approach	Valid
0FN43ZZ	Release Gallbladder, Percutaneous Approach	Valid
0FN44ZZ	Release Gallbladder, Percutaneous Endoscopic Approach	Valid

ICD-10-PCS FY2027 code set, published by the Centers for Medicare and Medicaid Services (CMS).

Effective October 1, 2026.