Magnetic Resonance Imaging - MRI

This Editorial Guide is used for Education Purposes Only. It is used in the Authoring Courses and Certifications. It is based on the January 2026 Editorial Guide.

Exception

MRI and MR are exceptions to the rule that all abbreviations should have their expanded form in parentheses in descriptions.

Magnetic resonance imaging

Descriptions:

• FSN: Magnetic resonance imaging of X (procedure)

• PT: MRI of X

• SYN: Magnetic resonance imaging of X

  • For example,

    • 6007000 | Magnetic resonance imaging of chest (procedure)|

      • FSN: Magnetic resonance imaging of chest (procedure)

      • PT: MRI of chest

      • SYN: Magnetic resonance imaging of chest

Magnetic resonance angiography

Descriptions:

• FSN: Magnetic resonance angiography of X (procedure)

• PT: Magnetic resonance angiography of X

• SYN: Magnetic resonance angiogram of X

• SYN: MR angiography of X

  • For example,

    • 432103005 | Magnetic resonance angiography of carotid artery (procedure)|

      • FSN: Magnetic resonance angiography of carotid artery (procedure)

      • PT: Magnetic resonance angiography of carotid artery

      • SYN: Magnetic resonance angiogram of carotid artery

      • SYN: MR angiography of carotid artery

Magnetic resonance venography

Descriptions:

• FSN: Magnetic resonance venography of X (procedure)

• PT: Magnetic resonance venography of X

• SYN: Magnetic resonance venogram of X

• SYN: MR venography of X

  • For example,

    • 21101000087100 | Magnetic resonance venography of limb (procedure)|

      • FSN: Magnetic resonance venography of limb (procedure)

      • PT: Magnetic resonance venography of extremity

      • SYN: Magnetic resonance venography of limb

Magnetic resonance arthrography

Descriptions:

• FSN: Magnetic resonance arthrography of X (procedure)

• PT: Magnetic resonance arthrography of X

• SYN: Magnetic resonance arthrogram of X

• SYN: MR arthrography of X

  • For example,

    • 19741000087109 | Magnetic resonance arthrography of right knee (procedure)|

      • FSN: Magnetic resonance arthrography of right knee (procedure)

      • PT: Magnetic resonance arthrography of right knee

      • SYN: MR arthrography of right knee

Magnetic resonance spectroscopy

Descriptions:

• FSN: Magnetic resonance spectroscopy of X (procedure)

• PT: Magnetic resonance spectroscopy of X

• SYN: MR spectroscopy of X

  • For example,

    • 1137352004 | Magnetic resonance spectroscopy of liver (procedure)|

      • FSN: Magnetic resonance spectroscopy of liver (procedure)

      • PT: Magnetic resonance spectroscopy of liver

      • SYN: MR spectroscopy of liver

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