G2128 HCPCS - DOCUMENTATION OF MEDICAL REASON(S) FOR NOT ON A DAILY ASPIRIN OR OTHER ANTIPLATELET (E.G. HISTORY OF GASTROINTESTINAL BLEED, INTRA-CRANIAL BLEED, BLOOD DISORDERS, IDIOPATHIC THROMBOCYTOPENIC PURPURA (ITP), GASTRIC BYPASS OR DOCUMENTATION OF ACTIVE ANTICOAGULANT USE DURING THE MEASUREMENT PERIOD)