TK HCPCS Level II modifier: Extra patient or passenger, non-ambulance
TK is a HCPCS Level II modifier: “Extra patient or passenger, non-ambulance.” It adds this detail to the code it is reported with.
Official description
TKExtra patient or passenger, non-ambulance
Short description: Extra patient or passenger
HCPCS · United States
Medicare details
The indicators CMS publishes with TK in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Not payable by Medicare
- Added
- Apr 1, 2002
Where TK sits
- 1GroupHCPCS modifiers
- 2Modifier TKExtra patient or passenger, non-ambulance
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code TK mean?
TK is the HCPCS code for “Extra patient or passenger, non-ambulance” in CMS’s HCPCS Level II October 2026 release.
Where is TK in the HCPCS Level II list?
TK is listed under Modifiers.
Does Medicare cover TK?
CMS lists TK’s Medicare coverage as “Not payable by Medicare”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside TK
All modifiersTDRnTELpn/lvnTFIntermediate level of careTGComplex/high tech level of careTHObstetrical treatment/services, prenatal or postpartumTJProgram group, child and/or adolescentTLEarly intervention/individualized family service plan (ifsp)TMIndividualized education program (iep)TNRural/outside providers' customary service areaTPMedical transport, unloaded vehicleTQBasic life support transport by a volunteer ambulance providerTRSchool-based individualized education program (iep) services provided outside the public school district responsible for the student