2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Diseases Of Veins And Lymphatics, And Other Diseases Of Circulatory System 451-459 > 2006 ICD-9-CM Diagnosis 451 Phlebitis and thrombophlebitis View the most recent version of ICD-9-CM 451 451 is a non-specific code that cannot be used to specify a diagnosis 451 Includes endophlebitis inflammation, vein periphlebitis suppurative phlebitis 451 Excludes that complicating: abortion (634-638 with .7, 639.8) ectopic or molar pregnancy (639.8) pregnancy, childbirth, or the puerperium (671.0-671.9) that due to or following: implant or catheter device (996.61-996.62) infusion, perfusion, or transfusion (999.2)