CPT 75557Radiology

Cardiac mri for morph

CPT code 75557 covers cardiac magnetic resonance imaging (MRI) performed to evaluate the structure and shape of the heart. This advanced imaging test creates detailed pictures of the heart's chambers, valves, and surrounding structures without using radiation.

Showing rates for

National Average

Base Medicare rate

$272.36

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

2.35

PE RVU (NF)

5.95

MP RVU

0.12

Total RVU

8.42

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Verify medical necessity documentation includes specific indication for morphological assessment versus functional studies (75559) or other cardiac MRI codes
Impact: Prevents denials and supports full $272.36 reimbursement; LCD violations account for 30-40% of cardiac MRI denials
Confirm facility and equipment meet ACR accreditation requirements before performing service
Impact: Non-accredited facilities may face 100% payment denial or reduced rates; accreditation required by most payers
Do not bill 75557 with contrast-enhanced cardiac MRI codes (75561, 75563) for same session; use comprehensive code instead
Impact: Unbundling can trigger audits and recoupment of $272.36 plus penalties; use 75561 when both non-contrast and contrast performed
Separate professional and technical components appropriately based on service location and employment status
Impact: Incorrect component billing can result in 50-80% payment reduction or overpayment recovery
Document cardiac gating methodology and sequences performed in technical report to support medical necessity
Impact: Missing technical parameters may trigger medical review and payment delays of 30-60 days
Verify prior authorization before scheduling; most commercial payers require pre-approval for cardiac MRI
Impact: Lack of authorization results in 100% denial; retroactive authorization rarely granted for $272.36 service

Common denials

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Frequently asked questions

What is the 2025 Medicare reimbursement rate for CPT 75557?

The 2025 Medicare national average reimbursement for CPT 75557 is $272.36 for both facility and non-facility settings. This is based on 8.42 total RVUs (2.35 work RVU, 5.95 PE RVU, 0.12 MP RVU) multiplied by the 2025 conversion factor of 32.3465.

What is the difference between CPT 75557 and 75559?

CPT 75557 covers cardiac MRI for morphology (structural assessment), while 75559 covers cardiac MRI for function evaluation including cine sequences and ventricular function assessment. Code 75557 focuses on anatomical detail, chamber size, and wall thickness, whereas 75559 assesses ejection fraction, wall motion, and cardiac output. These codes should not typically be billed together; use comprehensive codes (75561, 75563) when both are performed.

Does CPT 75557 include contrast administration?

No, CPT 75557 is for non-contrast cardiac MRI morphology assessment only. If contrast is administered, use CPT 75561 (without stress) or 75563 (with stress) instead. These codes include both the morphology and contrast-enhanced portions of the exam. Billing 75557 with contrast-enhanced codes constitutes unbundling and will result in denials.

What modifiers are commonly used with CPT 75557?

The most common modifiers are 26 (professional component only) and TC (technical component only) to split billing between interpreting physician and facility. Modifier 59 may be used to indicate a distinct procedural service when performed with other imaging. Modifier 76 indicates a repeat procedure by the same physician on the same day, which requires additional documentation.

Is prior authorization required for CPT 75557?

Most commercial insurance plans and Medicare Advantage plans require prior authorization for cardiac MRI (CPT 75557). Traditional Medicare does not require prior authorization but does review medical necessity. Failure to obtain required authorization typically results in claim denial. Always verify authorization requirements with the specific payer before scheduling.

What are the typical medical necessity criteria for CPT 75557?

Medical necessity criteria typically include: evaluation of congenital heart disease, assessment of cardiomyopathy when echocardiography is inadequate, characterization of cardiac masses, evaluation of pericardial disease, pre-surgical planning for complex cardiac procedures, or assessment of cardiac structure when other imaging modalities have failed to provide adequate diagnostic information. Documentation must explain why MRI is superior to other modalities for the specific clinical question.

Can CPT 75557 be billed with an echocardiogram on the same day?

Yes, CPT 75557 can be billed with echocardiography on the same day if both studies serve distinct clinical purposes and medical necessity is documented for each. However, payers often scrutinize same-day cardiac imaging for appropriateness. Documentation should explain why both modalities were medically necessary, such as echocardiography showing inadequate windows or specific clinical questions requiring MRI confirmation. Consider using modifier 59 if bundling edits apply.