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    v1.0.30
    OpenPayerBilling CodesAlgorithmically Generated 12-Lead ECG ProceduresCPT cpt-0905t-interpretation-report-algorithm-derived-12-lead-ecg
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    CPT 0905T: Interpretation of Algorithm‑Generated 12‑Lead ECG from Reduced‑Lead Recording

    CPT code 0905T describes a service in which a clinician reviews and interprets a 12‑lead electrocardiogram (ECG) that was generated by an algorithm from a reduced‑lead ECG, and then prepares a detailed written report of the findings; this is a diagnostic ECG interpretation and reporting service typically provided as an ambulatory or outpatient diagnostic procedure (telemedicine or clinic-based ECG interpretation depending on workflow) and involves expert review of algorithm‑derived 12‑lead tracings to produce a formal clinical report.

    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 58-year-old patient with intermittent chest discomfort presents to an outpatient cardiology clinic. A reduced-lead ambulatory ECG device is applied to record a focused set of leads for rhythm and ischemic screening. The device generates a 12‑lead ECG reconstruction using an on‑device algorithm. The cardiology provider reviews the algorithm-generated 12‑lead tracing, interprets the ECG findings (rhythm, conduction intervals, ischemic changes, and any artifact), and prepares a detailed written report documenting the interpretation and clinical impressions. The workflow includes device data upload, algorithm generation of the 12‑lead ECG, provider review and confirmation or amendment of automated findings, final report creation, and placement of the report in the medical record for use in clinical decision making or follow-up testing.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    93000Electrocardiogram, routine ECG with at least 12 leads; with interpretation and reportStandard in-office 12‑lead ECG; may be performed when full-lead acquisition is obtained rather than algorithm-derived reconstruction.
    93010Electrocardiogram, interpretation and report onlyUsed when only interpretation/reporting is performed on an externally acquired ECG tracing, similar to review of an algorithm-generated 12‑lead.
    93005Electrocardiogram, tracing only, without interpretation and reportThe technical acquisition component; separates acquisition from the interpreting service such as 0905T.
    93299Unlisted cardiovascular service or procedureUsed when an algorithm-derived ECG interpretation service does not map to a specific existing CPT and additional billing guidance is needed.
    0362TRemote monitoring of cardiac device data, transmission and reportExample of remote monitoring/interpretation services that may be part of a clinical workflow involving algorithm‑generated ECG data.

    Related Modifiers

    5 rows

    ModifierDescriptionWhen to Use
    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…
    51Modifier –51 (Multiple Procedures) is used when the same provider performs multiple procedures in the same session to identify secondary, non‑exempt procedures and indicate payment reduction logic…- Use modifier -51 when the same provider performs multiple distinct procedures during the same patient encounter: report the highest‑valued procedure first (no modifier) and append -51 to…
    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…
    95Modifier 95 indicates that a service was provided via synchronous, real‑time audio‑video telehealth rather than in‑person. Per CMS, AAPC and professional associations, append modifier 95 to claim…- Use modifier 95 to indicate a service was furnished via synchronous, real‑time audiovisual telehealth (a live audio‑video conference between patient and provider) rather than in‑person. - Pair…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    207RC0000X
    208D00000X
    2084P0800X
    333600000X
    207RH0003X
    246W00000X
    207PE0004X
    364SW0102X

    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-0903T-ALGORITHM-DERIVED-12-LEAD-ECG-INTERPRETATION

    CPT 0903T: Reduced‑Lead ECG with Algorithmic 12‑Lead Reconstruction and Interpretation

    CPT-0904T-REDUCED-LEAD-ECG-DERIVED-12-LEAD-TRACING

    CPT 0904T: Reduced‑Lead ECG with Algorithmic 12‑Lead Reconstruction

    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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