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    v1.0.28
    OpenPayerBilling CodesIntracardiac Electrophysiological Procedures/StudiesCPT cpt-93660-tilt-table-test-reflex-syncope-evaluation
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    CPT 93660: Tilt-Table Test for Reflex-Mediated Syncope

    Medicare pays $116 on average nationally for this procedure.

    CPT code 93660 describes a tilt-table test used to evaluate reflex-mediated syncope by monitoring heart rhythm and blood pressure while changing the patient’s position; the procedure involves securing the patient on a tilt table, continuous cardiac and hemodynamic monitoring, positional rotation, and may include administration of medication to provoke or repeat responses. Service type: diagnostic cardiovascular testing. Typical site of service: hospital outpatient department or specialized cardiology clinic with monitored tilt-table facilities.

    For related coverage guidance, see recent payer policy updates: Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use Disorders, Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use Disorders, Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use Disorders.

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    Clinical & Coding Specifications

    Clinical Context

    A typical patient is a 45-year-old adult referred to a cardiac electrophysiology laboratory for evaluation of recurrent unexplained syncope or presyncope after initial history, physical exam, orthostatic vitals, and ambulatory ECG monitoring fail to establish a cause. The patient arrives fasting, having withheld select medications per pre-procedure instructions. In the procedural workflow, nursing places continuous ECG leads and noninvasive blood pressure monitoring, and IV access is obtained. The patient is secured on a motorized tilt table and baseline supine monitoring is recorded. The table is tilted to incremental upright angles (typically to 60–70 degrees) for a monitored interval while the clinical team observes for reproduction of symptoms, ECG rhythm changes, and blood pressure responses. If needed and per protocol, pharmacologic provocation (for example, isoproterenol or sublingual nitroglycerin in some protocols) may be administered to increase heart rate and augment sensitivity of the test; monitoring continues and the table may be returned to supine. The attending cardiologist documents indications, hemodynamic responses, rhythm strips, medications given, and whether the test reproduces syncope or presyncope. Post-procedure, the patient is monitored until hemodynamically stable and given discharge instructions. Typical site of service is an outpatient cardiac catheterization/EP lab or hospital-based procedure area. Service type is diagnostic cardiac autonomic testing (tilt-table testing) with continuous hemodynamic monitoring.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    93010Interpretation and report of continuous 12-lead ECG monitoring during exercise stress testMay be used for comparison of cardiac monitoring interpretation practices; not typically billed with tilt-table testing but shares monitoring interpretation workflow.
    93279External countershock; multiple external transthoracic cardioversion/defibrillation when used for termination of arrhythmiaNot routine with tilt testing; included when syncope evaluation leads to interventional rhythm therapy during same encounter (rare).
    93000Electrocardiogram, routine ECG with at least 12 leads; tracing, interpretation and reportPerformed before or after tilt-table testing to document baseline ECG and compare rhythm.
    93306Echocardiography, transthoracic, real-time with image documentation (complete)Often performed in the broader syncope workup to assess structural heart disease that may influence tilt-table interpretation.
    95992Autonomic testing (thermoregulatory sweat test or other autonomic function testing)Represents related autonomic function studies that may be performed in comprehensive syncope/autonomic disorder evaluation.

    Note: The provided input contained no explicit related CPT codes; commonly associated codes above are those frequently performed before, after, or in parallel with tilt-table testing in syncope evaluation.

    Related Modifiers

    6 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…
    59Modifier 59 indicates a distinct procedural service when two procedures that are not normally billed together are clinically and procedurally separate. The CPT definition (as reiterated by CMS)…- Use modifier -59 to report a distinct procedural service when documentation supports that the procedure reported is not normally billed together with another service on the same day because of 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…
    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…
    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 CodeSpecialtyNotes
    207RC0000XCardiovascular Disease PhysicianAn internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threaten…
    207RH0000XHematology (Internal Medicine) PhysicianAn internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, cl…
    363A00000XPhysician AssistantA physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and…
    207L00000XAnesthesiology PhysicianAn anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an opera…
    174400000XSpecialistAn individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond…
    163WI0500XInfusion Therapy Registered NurseNursing Service Providers · Registered Nurse
    332900000XNon-Pharmacy Dispensing SiteA site other than a pharmacy that dispenses medicinal preparations under the supervision of a physician to patients for self-administration. (e.g. phy…
    163WN0002XNeonatal Intensive Care Registered NurseNursing Service Providers · Registered Nurse

    Related ICD-10-CM Codes

    26 rows

    ICD-10-CM CodeDescription
    E86.0Dehydration
    E86.1Hypovolemia
    E86.9Volume depletion, unspecified
    F05Delirium due to known physiological condition
    G31.84Mild cognitive impairment of uncertain or unknown etiology
    G40.909Epilepsy, unspecified, not intractable, without status epilepticus
    G45.9Transient cerebral ischemic attack, unspecified
    G90.9Disorder of the autonomic nervous system, unspecified
    H81.13Benign paroxysmal vertigo, bilateral
    I44.1Atrioventricular block, second degree

    Showing 1–10 of 26

    Related Payer Policy Updates

    Specialty: Anesthesiology1 / 3

    10 rows

    PolicyPayerEffective Date
    Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use DisordersPremera Bluecross2026-07-01
    Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use DisordersPremera Bluecross2026-07-01
    Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use DisordersPremera Bluecross2026-07-01
    Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric or Substance Use DisordersPremera Bluecross2026-07-01
    Elective Inpatient Services (for Idaho Only)UnitedHealthcare2026-06-01
    Sites of Servicepriority health2026-06-01
    Coverage for Ambulatory Surgery Unit (ASU)/Outpatient Facility and Anesthesia for Dental Servicesuniverahealthcare2026-05-21
    Mm_0579_Coveragepositioncriteria_Anesthesia_Services_Selected_Nerve_BlocksCigna2026-05-15
    Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric DisordersBlue Cross Blue Shield - North Carolina2026-04-01
    Intravenous Anesthetics for the Treatment of Chronic Pain and Psychiatric DisordersBlue Cross Blue Shield - North Carolina2026-04-01

    Related Codes

    CPT-93600-HIS-BUNDLE-ELECTROGRAM-RECORDING

    CPT 93600: Electrogram Recording of Bundle of His

    CPT-93602-INTRACARDIAC-ATRIAL-ELECTROGRAM-RECORDING

    CPT 93602: Intracardiac Atrial Electrogram Recording

    CPT-93603-INTRACARDIAC-ELECTROGRAM-RECORDING-VENTRICLE

    CPT 93603: Intracardiac Electrogram Recording from Ventricular Chamber

    CPT-93609-ELECTROPHYSIOLOGY-MAPPING-INDUCED-ARRHYTHMIA

    CPT 93609: Electrophysiology Study with Arrhythmia Induction and Mapping

    CPT-93610-ATRIAL-PACING-ELECTROPHYSIOLOGY-EVALUATION

    CPT 93610: Atrial Pacing for Electrophysiology Evaluation

    CPT-93612-VENTRICULAR-PACING-DIAGNOSTIC

    CPT 93612: Ventricular Pacing During Electrophysiology Study

    CPT-93613-ELECTROANATOMIC-MAPPING-WITH-ARRHYTHMIA-INDUCTION

    CPT 93613: Electroanatomic Mapping for Arrhythmia Localization

    CPT-93615-ESOPHAGEAL-ELECTROGRAM-ELECTRODE-PLACEMENT

    CPT 93615: Esophageal Electrogram Recording of Atria

    CPT-93616-ESOPHAGEAL-ELECTROGRAM-PACING-ELECTRODE

    CPT 93616: Esophageal Atrial Pacing and Electrogram Recording

    CPT-93618-CATHETER-INSERTION-TO-INDUCE-ARRHYTHMIA

    CPT 93618: Catheter Insertion to Induce Arrhythmia

    Showing 1–10 of 28

    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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