2007 ICD-9-CM Procedure 50.91 Percutaneous aspiration of liver 50.91 is a specific code that can be used to specify a procedure 50.91 contains 2 index entries View the full Volume 3 50.* hierarchy 50.91 excludes: percutaneous biopsy (50.11) Index entries containing 50.91: Aspiration liver (percutaneous 50.91 Drainage liver 50.0 by aspiration 50.91