States That Regulate by Modality 

ASRT Tally of State Licensure, Certification or Recognition Requirements by Discipline

Radiography (​40 States)

Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Georgia
Hawaii
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Minnesota
Mississippi
Montana
Nebraska
New Jersey
New Mexico
New York
North Dakota
Ohio
Oregon
Pennsylvania
Rhode Island
South Carolina
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming

Radiation Therapy (37 States)

Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Hawaii
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Mississippi
Nebraska
New Hampshire
New Jersey
New Mexico
New York
North Dakota
Ohio
Oregon
Pennsylvania
Rhode Island
South Carolina
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming

Limited X-ray Machine Operators (34 States)

Arizona
Arkansas
California
Colorado
Delaware
Florida
Georgia
Illinois
Indiana
Iowa
Kentucky
Maine
Massachusetts
Minnesota
Mississippi
Montana
Nebraska
New Hampshire
New Jersey
New Mexico
North Dakota
Ohio
Oregon
Pennsylvania
South Carolina
Tennessee
Texas
Utah
Vermont*
Virginia
Washington
West Virginia
Wisconsin
Wyoming

*State not issuing new licenses.

Nuclear Medicine Technology (35 States)

Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Georgia
Hawaii
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Mississippi
New Jersey
New Mexico
New York
North Dakota
Ohio
Oregon
Pennsylvania
Rhode Island
South Carolina
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wyoming

Radiologist Assistant (30 States)

Arizona
Arkansas
Colorado
Connecticut
Florida
Georgia
Illinois
Iowa
Kentucky
Maryland
Massachusetts
Minnesota
Mississippi
Montana
New Jersey
New Mexico
New York
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
Tennessee
Utah
Vermont
Virginia
Washington
West Virginia
Wyoming

Magnetic Resonance (3 States)

New Mexico
Oregon
West Virginia

Sonography (3 States)

New Mexico
North Dakota
Oregon

Computed Tomography (7 States)

Arizona
Colorado
Florida
Michigan
Oregon
Wisconsin
Vermont

Cardiovascular Technologists (RCIS) (7 States)

Arkansas
Delaware
Indiana
Ohio
South Carolina
Texas
Washington

Fluoroscopy Only (2 States)

Alaska
California (additional permit)

No Standards for Any Discipline (6 States)

Alabama
District of Columbia
Idaho
Missouri
North Carolina
South Dakota



No Standards for Radiography (11 States)

Alabama
Alaska
Idaho
Michigan
Missouri
Nevada
New Hampshire
North Carolina
Oklahoma
South Dakota
District of Columbia

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