F8HCPCS Level II
Right hand, fourth digit
- Usage notes
- Append to procedure codes performed on the right hand, fourth digit (ring finger).
- Common mistakes
- Failing to bill each digit as a separate line when a payer's policy requires one line per digit rather than a combined unit count.
Related modifiers
Frequently asked questions
What does modifier F8 mean?
Right hand, fourth digit
When do I use modifier F8?
Append to procedure codes performed on the right hand, fourth digit (ring finger).
What's a common mistake with modifier F8?
Failing to bill each digit as a separate line when a payer's policy requires one line per digit rather than a combined unit count.
HCPCS modifier data from CMS. CPT® is a registered trademark of the American Medical Association — CPT modifier descriptions are not included on this site. Always verify codes with authoritative sources before making billing decisions.