T1HCPCS Level II
Left foot, second digit
- Usage notes
- Append to procedure codes performed on the left foot, second digit.
- Common mistakes
- Billing multiple toe procedures under one line without individual toe modifiers, which understates the actual units performed.
Related modifiers
Frequently asked questions
What does modifier T1 mean?
Left foot, second digit
When do I use modifier T1?
Append to procedure codes performed on the left foot, second digit.
What's a common mistake with modifier T1?
Billing multiple toe procedures under one line without individual toe modifiers, which understates the actual units performed.
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.