TABLE 3.

Reasons for Missing Claims

Reasons	Number of Claims (%)a
Cash/coupon/discount card	72,447 (18.7)
Government programs	30,606 (7.9)
Other third-party payers
Health maintenance organization	36,697 (9.5)
Preferred provider organization	51,426 (13.3)
Employer-sponsored	41,358 (10.7)
Undesignated plan type	154,227 (39.9)

^aA total of 386,761 claims were missing from the unaugmented P+ data.

P+ = PharMetrics Plus claims database.