TN HCPCS Level II modifier: Rural/outside providers' customary service area
TN is a HCPCS Level II modifier: “Rural/outside providers' customary service area.” It adds this detail to the code it is reported with.
Official description
TNRural/outside providers' customary service area
Short description: Rural/out of service area
HCPCS · United States
Medicare details
The indicators CMS publishes with TN 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 TN sits
- 1GroupHCPCS modifiers
- 2Modifier TNRural/outside providers' customary service area
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 TN mean?
TN is the HCPCS code for “Rural/outside providers' customary service area” in CMS’s HCPCS Level II October 2026 release.
Where is TN in the HCPCS Level II list?
TN is listed under Modifiers.
Does Medicare cover TN?
CMS lists TN’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 TN
All modifiersTGComplex/high tech level of careTHObstetrical treatment/services, prenatal or postpartumTJProgram group, child and/or adolescentTKExtra patient or passenger, non-ambulanceTLEarly intervention/individualized family service plan (ifsp)TMIndividualized education program (iep)TPMedical 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 studentTSFollow-up serviceTTIndividualized service provided to more than one patient in same settingTUSpecial payment rate, overtime