SC HCPCS Level II modifier: Medically necessary service or supply
SC is a HCPCS Level II modifier: “Medically necessary service or supply.” It adds this detail to the code it is reported with.
Official description
SCMedically necessary service or supply
Short description: Medically necessary serv/sup
HCPCS · United States
Medicare details
The indicators CMS publishes with SC in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jul 1, 2001
Where SC sits
- 1GroupHCPCS modifiers
- 2Modifier SCMedically necessary service or supply
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 SC mean?
SC is the HCPCS code for “Medically necessary service or supply” in CMS’s HCPCS Level II October 2026 release.
Where is SC in the HCPCS Level II list?
SC is listed under Modifiers.
Does Medicare cover SC?
CMS lists SC’s Medicare coverage as “Carrier judgment”. 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 SC
All modifiersREFurnished in full compliance with fda-mandated risk evaluation and mitigation strategy (rems)RIRamus intermedius coronary arteryRRRental (use the 'rr' modifier when dme is to be rented)RTRight side (used to identify procedures performed on the right side of the body)SANurse practitioner rendering service in collaboration with a physicianSBNurse midwifeSDServices provided by registered nurse with specialized, highly technical home infusion trainingSEState and/or federally-funded programs/servicesSFSecond opinion ordered by a professional review organization (pro) per section 9401, p.l. 99-272 (100% reimbursement - no medicare deductible or coinsurance)SGAmbulatory surgical center (asc) facility serviceSHSecond concurrently administered infusion therapySJThird or more concurrently administered infusion therapy