2007 ICD-9-CM Procedure 89.56 Carotid pulse tracing with ecg lead 89.56 is a specific code that can be used to specify a procedure 89.56 contains 2 index entries View the full Volume 3 89.* hierarchy 89.56 excludes: oculoplethysmography (89.58) Index entries containing 89.56: Carotid pulse tracing with ECG lead 89.56 Tracing, carotid pulse with ECG lead 89.56