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    v1.0.30
    OpenPayerBilling CodesDiagnostic Radiology (Diagnostic Imaging) Procedures of the HeartCPT cpt-75559-cardiac-mri-stress-non-contrast
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    CPT 75559: Cardiac MRI with Stress, Non-Contrast

    Medicare pays $264 on average nationally for this procedure.

    CPT code 75559 describes a cardiac magnetic resonance imaging (MRI) with stress imaging performed to evaluate cardiac morphology and function without administration of contrast; the service is an imaging study (cardiac stress MRI) typically provided in an outpatient imaging center or hospital radiology/cardiac imaging suite and documented as a non-contrast cardiac MRI with pharmacologic or exercise stress for functional assessment.

    For related coverage guidance, see recent payer policy updates: Automated Ambulatory Blood Pressure Monitoring for Diagnosis of Hypertension in Patients with Elevated Office Blood Pressure, Cardiology - Ivabradine, Cardiac Computed Tomography (CCT)/Coronary Computed Tomographic Angiography (CCTA).

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    Clinical & Coding Specifications

    Clinical Context

    A 62-year-old patient with known ischemic heart disease and exertional angina is referred for a non-contrast cardiac magnetic resonance stress study to evaluate myocardial function and inducible ischemia. The patient arrives at an outpatient radiology center or hospital cardiac imaging suite after fasting per local protocol. Baseline vitals and a focused cardiac history are obtained by nursing; beta-blockers are held as appropriate. An exercise or pharmacologic stress protocol is selected based on the patient’s mobility and cardiopulmonary status. Continuous ECG and blood pressure monitoring are used during stress. The MRI technologist positions the patient in the scanner, programs cine and stress perfusion sequences, and acquires functional and morphologic images during rest and peak stress without intravenous gadolinium contrast. A board-certified cardiologist or radiologist interprets the images, documents wall motion abnormalities, ventricular volumes, and stress-induced changes, and generates a final report for the referring provider. Typical sites of service are outpatient imaging centers or hospital outpatient departments with MRI capability.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    75557Magnetic resonance imaging, heart, including stress imaging when performed; with contrast material(s)Alternative cardiac MRI stress study performed with intravenous contrast for perfusion or viability assessment when contrast is indicated.
    93015Cardiovascular stress tests, cardiovascular stress test using exercise and/or pharmacologic stress with interpretation and reportPerformed prior to or in conjunction with imaging to document exercise capacity and hemodynamic response; may guide selection of MRI stress modality.
    71555Magnetic resonance angiography, chest (non-cardiac specific)Performed when vascular anatomy, such as great vessels, is assessed in addition to cardiac morphology; sometimes performed in the same imaging encounter.
    93000Electrocardiogram, routine ECG with interpretation and reportBaseline and monitoring ECGs obtained during stress MRI to document rhythm and ischemic changes.
    72195Magnetic resonance imaging, thoracic spine or chest (if clinically indicated)Occasionally ordered for differential diagnoses when chest pain etiology is unclear; may be part of same imaging visit.

    Note: These related CPT codes are commonly performed alongside or complementary to non-contrast cardiac MRI stress studies in clinical workflows.

    Related Modifiers

    9 rows

    ModifierDescriptionWhen to Use
    26Modifier 26 (Professional Component) identifies and bills only the professional portion of a split service — the physician’s interpretation, report, and medical judgment — when the technical…- Use CPT Modifier -26 when you are billing only the professional component (PC) of a split‑bill eligible service—i.e., you performed the physician interpretation, medical judgment and prepared a…
    52Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
    53Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
    76Modifier -76, Repeat Procedure or Service by Same Physician or Other Qualified Health Care Professional, is appended when the same provider performs an identical, medically necessary procedure or…- Use modifier -76 when the same physician or other qualified health care professional performs an identical procedure or service a second (or subsequent) time on the same date of service and the…
    78CPT modifier -78 indicates an unplanned, related return to the operating or procedure room by the same provider during the global postoperative period. It is appended when treatment for a…- Use modifier -78 when an unplanned, related complication during the original procedure’s global postoperative period requires the patient to return to a formal operating or procedure room and the…
    80CPT® Modifier 80 (Assistant Surgeon) is appended to a surgical CPT code when a physician (MD or DO) provides full, continuous assistance throughout the operative procedure. It is intended only for…- Use CPT Modifier -80 when a physician (MD or DO) serves as an assistant surgeon and provides full, continuous assistance throughout the entire operative procedure; append -80 to the surgical CPT…
    62Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…
    22Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…
    23Modifier -23 (Unusual Anesthesia) is used on anesthesia service CPT codes when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia…- Use modifier -23 only on anesthesia CPT codes (00100–01999) when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia because of…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    2084P0800X
    207R00000X
    208D00000X
    364S00000X
    207YX0905X
    2080T0002X
    111N00000X
    364SS0200X

    Related Payer Policy Updates

    Specialty: Cardiology1 / 3

    10 rows

    PolicyPayerEffective Date
    Automated Ambulatory Blood Pressure Monitoring for Diagnosis of Hypertension in Patients with Elevated Office Blood PressureBluecross Idaho2026-11-01
    Cardiology - IvabradineCigna2026-10-15
    Cardiac Computed Tomography (CCT)/Coronary Computed Tomographic Angiography (CCTA)univerahealthcare2026-10-15
    Percutaneous Ventricular Assist DeviceUnitedHealthcare2026-10-01
    Cardiovascular Disease Risk AssessmentOscar Health2026-10-01
    Biomarkers for Myocardial Infarction and Chronic Heart FailureOscar Health2026-10-01
    Multiple Procedure Payment Reduction for Diagnostic Cardiovascular ProceduresBlue Cross Blue Shield - Maine2026-10-01
    Left Atrial Appendage Closure Devicesexcellus_health_plan_inc2026-09-17
    Left Atrial Appendage Closure Devicesuniverahealthcare2026-09-17
    Cardiac Omnibus CodesCigna2026-09-15

    Related Codes

    CPT-75557-CARDIAC-MRI-NON-CONTRAST-STRUCTURE-AND-FUNCTION

    CPT 75557: Cardiac MRI Morphology and Function, No Contrast

    CPT-75561-CARDIAC-MRI-WITH-AND-WITHOUT-CONTRAST

    CPT 75561: Cardiac MRI, Non-Contrast Followed by Contrast

    CPT-75563-CARDIAC-MRI-STRESS-REST-WITH-AND-WITHOUT-CONTRAST

    CPT 75563: Cardiac MRI Stress Study, With and Without Contrast

    CPT-75565-CARDIAC-MRI-VELOCITY-FLOW-MAPPING

    CPT 75565: Cardiac MRI with Velocity (Flow) Mapping

    CPT-75571-CORONARY-CALCIUM-SCORING-CT-NON-CONTRAST

    CPT 75571: Coronary Artery Calcium Scoring by Non-Contrast CT

    CPT-75572-CARDIAC-CT-3D-POST-PROCESSING-FUNCTIONAL-ASSESSMENT

    CPT 75572: Cardiac CT with 3D Post-Processing and Function Assessment

    CPT-75573-CARDIAC-CT-CONGENITAL-HEART-EVALUATION

    CPT 75573: Cardiac CT for Congenital Heart Anomaly Evaluation

    CPT-75574-CARDIAC-CT-WITH-CONTRAST-CORONARY-EVALUATION

    CPT 75574: Contrast-Enhanced Cardiac CT Angiography

    CPT-75577-CORONARY-CTA-PLAQUE-QUANTIFICATION-POST-PROCESSING

    CPT 75577: Coronary CTA Plaque Quantification and Report

    CPT-75580-FFR-CT-FROM-CCTA-AUGMENTATION-SOFTWARE-REPORT

    CPT 75580: CTA-Derived Coronary Fractional Flow Reserve Estimation

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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