Table 1.

Definition of Variables Using Current Procedural Terminology (CPT) Codes

VariableCPT Code
Visits
    Inpatient99221-99223, 99231-9233, 99238, 99251-99255, 99261-99263
    Emergency department99281-99288
    Outpatient92002-92014, 99201-99205, 99211-99215, 99217-99220, 99241, 99242-99245, 99271-99275, 99301-99303, 99311-99313, 99321-99323, 99331-99333, 99341-99355, 99381-99387, 99391-99397, 99401-99404, 99411, 99412, 99420-99429, 99499
Outcomes
    Glycosylated hemoglobin83036
    Lipid profile80061
    Eye examination92002, 92004, 92012, 92014, 92018, 92019, 92225, 92226, 92235, or 92250