HCPCS 'F' Modifiers (15)

Modifier Description
F1 Left hand, second digit
F2 Left hand, third digit
F3 Left hand, fourth digit
F4 Left hand, fifth digit
F5 Right hand, thumb
F6 Right hand, second digit
F7 Right hand, third digit
F8 Right hand, fourth digit
F9 Right hand, fifth digit
FA Left hand, thumb
FB Item provided without cost to provider, supplier or practitioner, or full credit received for replaced device (examples, but not limited to, covered under warranty, replaced due to defect, free samples)
FC Partial credit received for replaced device
FP Service provided as part of family planning program
FX X-ray taken using film
FY X-ray taken using computed radiography technology/cassette-based imaging