TCHCPCS Level II
Technical component; under certain circumstances, a charge may be made for the
- Usage notes
- Append to a diagnostic code to bill only the technical component (equipment, supplies, and technologist time), when the professional interpretation is billed separately by another party.
- Common mistakes
- Billing TC when the facility actually performed both the technical and professional components — in that case no component-split modifier should be used at all.
Related modifiers
Frequently asked questions
What does modifier TC mean?
Technical component; under certain circumstances, a charge may be made for the
When do I use modifier TC?
Append to a diagnostic code to bill only the technical component (equipment, supplies, and technologist time), when the professional interpretation is billed separately by another party.
What's a common mistake with modifier TC?
Billing TC when the facility actually performed both the technical and professional components — in that case no component-split modifier should be used at all.
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.