AM HCPCS Level II modifier: Physician, team member service

AM is a HCPCS Level II modifier: “Physician, team member service.” It adds this detail to the code it is reported with.

Official description

AM

Physician, team member service

Short description: Physician, team member svc

HCPCS · United States

Notes for AM

As CMS prints them, with any note AM takes from the headings above it.

Note

CMS processing note 0069: FOR ASSISTANT SURGEON SERVICES MODIFIERS 80, 81, 82, AK, AL, AM, AN, AS, AU, AV, AW, AY, QB, QU SEE MCM SECTION 15044.

Medicare details

The indicators CMS publishes with AM in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage: Special coverage instructions apply
Cross-reference: See QM
Added: Jan 1, 1991

Where AM sits

1GroupHCPCS modifiers
2Modifier AMPhysician, team member service

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.

See AM in the CMS source

Frequently asked questions

What does HCPCS code AM mean?

AM is the HCPCS code for “Physician, team member service” in CMS’s HCPCS Level II October 2026 release.

Where is AM in the HCPCS Level II list?

AM is listed under Modifiers.

Does Medicare cover AM?

CMS lists AM’s Medicare coverage as “Special coverage instructions apply”. 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.

All modifiers

AFSpecialty physician AGPrimary physician AHClinical psychologist AIPrincipal physician of record AJClinical social worker AKNon participating physician AOAlternate payment method declined by provider of service APDetermination of refractive state was not performed in the course of diagnostic ophthalmological examination AQPhysician providing a service in an unlisted health professional shortage area (hpsa)ARPhysician provider services in a physician scarcity area ASPhysician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery ATAcute treatment (this modifier should be used when reporting service 98940, 98941, 98942)