Patient with 2-week history of abdominal pain

Patient with 2-week history of abdominal pain. Accompanied by n/v, slight red rectal bleeding. PMH hypertension, hypothyroidism. CBC demonstrates hematocrit of 43, WBC 7100, platelet count of 327,000. Abdominal series negative. Recommended hospitalization, however, adamantly refused. Will treat as outpatient with prescription meds. Assign code(s) for physician services.