2007 ICD-9-CM Procedure 89.48 Artificial pacemaker voltage or amperage threshold check 89.48 is a specific code that can be used to specify a procedure 89.48 contains 2 index entries View the full Volume 3 89.* hierarchy Index entries containing 89.48: Check pacemaker, artificial (cardiac)(function) (interrogation only)(rate) 89.45 amperage threshold 89.48 voltage threshold 89.48