Table 5.

Preventive medication coding algorithm. Medication codes used throughout the study

Medication class	GPI number (most specific level required)
Medications to prevent pneumonia
Influenza vaccine	1,710,002,020, 1,710,002,021, 1,710,002,023, 1,710,002,040, 1,710,002,044, 1,710,002,050, 1,710,002,061, 1,710,002,064 HCPCS G0008 CPT 90655, 90,656, 90,657, 90,658, 90,660, 90,662
Pneumococcal vaccine	1,720,006,500, 1,720,006,510, 1,720,006,530 HCPCS G0009, CPT 90669, 90,670, 90,732
Medications to prevent MI and/or stroke
ACE Inhibitors	3610, 369,915, 369,918
ARBs	3615, 369,940
Beta-blockers	33, 369,920
Calcium channel blockers	34, 369,915
Diuretics	37, 369,918, 369,920, 369,940, 369,950, 369,955, 369,970, 369,980, 369,990
Anticoagulants (warfarin and NOACs)	8320, 83,370,030, 83,370,060, 83,337,010
Aspirin	64,100,010, 6,410,990,203, 6,410,990,204, 6,410,990,202, 6,410,990,210
Anti-platelet agents	8515
Statins	3940
Other cholesterol medications	39
Medications to prevent OF
Bisphosphonates	300,420; HCPCS J3489
SERMs (raloxifene)	3,005,306,010
Denosumab	3,004,453,000; HCPCS J0897
Teriparatide	3,004,407,000; HCPCS J3110