AC HCPCS Level II modifier: Initial onboarding support payment for access beneficiary enrollment, device/app setup, and care coordination activities; first month only; once per…
AC is a HCPCS Level II modifier: “Initial onboarding support payment for access beneficiary enrollment, device/app setup, and care coordination activities; first month only; once per beneficiary per track.” It adds this detail to the code it is reported with.
Official description
ACInitial onboarding support payment for access beneficiary enrollment, device/app setup, and care coordination activities; first month only; once per beneficiary per track
Short description: Co-mgmt mod - onboarding
HCPCS · United States
Medicare details
The indicators CMS publishes with AC in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jul 1, 2026
Where AC sits
- 1GroupHCPCS modifiers
- 2Modifier ACInitial onboarding support payment for access beneficiary enrollment, device/app setup, and care coordination activities; first month only; once per beneficiary per track
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 AC mean?
AC is the HCPCS code for “Initial onboarding support payment for access beneficiary enrollment, device/app setup, and care coordination activities; first month only; once per beneficiary per track” in CMS’s HCPCS Level II October 2026 release.
Where is AC in the HCPCS Level II list?
AC is listed under Modifiers.
Does Medicare cover AC?
CMS lists AC’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 AC
All modifiersA6Dressing for six woundsA7Dressing for seven woundsA8Dressing for eight woundsA9Dressing for nine or more woundsAAAnesthesia services performed personally by anesthesiologistABAudiology service furnished personally by an audiologist without a physician/npp order for non-acute hearing assessment unrelated to disequilibrium, or hearing aids, or…ADMedical supervision by a physician: more than four concurrent anesthesia proceduresAERegistered dieticianAFSpecialty physicianAGPrimary physicianAHClinical psychologistAIPrincipal physician of record