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    v1.0.31
    OpenPayerBilling CodesOther Diagnostic Ultrasound ProceduresCPT cpt-76984-intraoperative-thoracic-aorta-ultrasound
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    CPT 76984: Intraoperative Ultrasound Imaging of Thoracic Aorta

    Medicare pays $33 on average nationally for this procedure.

    CPT code 76984 describes intraoperative diagnostic ultrasound imaging of the thoracic aorta performed by the provider during an operation; this service is an intraoperative ultrasound procedure typically rendered in the operating room as part of surgical management to visualize the thoracic aorta for real-time assessment and guidance.

    For related coverage guidance, see recent payer policy updates: Percutaneous Left Atrial Appendage Closure Devices for Stroke Prevention in Atrial Fibrillation, Percutaneous Left Atrial Appendage Closure Devices for Stroke Prevention in Atrial Fibrillation, Percutaneous Left Atrial Appendage Closure Devices for Stroke Prevention in Atrial Fibrillation.

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    Table of contents

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    Clinical & Coding Specifications

    Clinical Context

    A 68-year-old male undergoing open cardiac surgery for ascending aortic aneurysm repair presents intraoperatively for real-time imaging of the thoracic aorta. After induction of general anesthesia and median sternotomy, the surgical team requests sonographic assessment to evaluate aortic wall integrity, locate intimal tears, and guide clamping and graft placement. The anesthesia team or an intraoperative imaging specialist places a sterile-transected ultrasound probe on the exposed thoracic aorta and acquires diagnostic images while the operative field is prepared. The procedure is performed in an operating room (OR) or hybrid OR with sterile technique and documented as an intraoperative diagnostic ultrasound of the thoracic aorta using code 76984. Images and findings are recorded in the operative report and the imaging archive. Clinically relevant observations include aortic dissection flap visualization, intramural hematoma, aneurysm dimensions, and localization of atheromatous plaque that influence immediate surgical management.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    93312Echocardiography, transthoracic, real-time with image documentation (2D), completePreoperative transthoracic echocardiogram to evaluate cardiac function and proximal aortic root anatomy prior to thoracic aortic surgery
    93318Doppler echocardiography, transesophageal, intraoperative or other than in the operating room, with image documentationTransesophageal echocardiography performed intraoperatively to assess aortic root, valves, and proximal ascending aorta complementary to direct thoracic aortic ultrasound
    93701Hemodynamic monitoring, insertion of pressure monitoring catheter (e.g., Swan-Ganz)Invasive hemodynamic monitoring often placed during complex aortic surgery in the same operative session as intraoperative imaging
    21640Excision, tumor, soft tissue of thorax or chest wall (example procedural code for open thoracic approaches)Representative of concurrent open thoracic surgical procedures during which 76984 may be performed to image the thoracic aorta
    76937Ultrasound guidance for vascular access requiring ultrasound, real-time with permanent recording and reportingUltrasound guidance for vascular access that may be performed in the same operative setting when central access or cannulation is required
    76000Fluoroscopic guidance for needle placement (eg, biopsy, aspiration) (general diagnostic fluoroscopy)In hybrid OR settings, fluoroscopic imaging may be used in combination with intraoperative ultrasound during aortic interventions

    Related Modifiers

    12 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…
    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…
    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…
    82Modifier 82 is appended to a surgical CPT code to indicate that an attending physician acted as an assistant because a qualified resident surgeon was unavailable. In teaching hospitals it documents…- When to use: Append modifier 82 in teaching-hospital settings to indicate a physician served as an assistant surgeon because a qualified resident surgeon was unavailable (includes situations where…
    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…
    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…
    77Modifier 77 indicates that a previously performed procedure or service was legitimately repeated by a different physician or other qualified health care professional. The AMA’s CPT definition…- Use modifier 77 when a basic procedure or service already performed is repeated by a different physician or other qualified health care professional (for example, a second provider independently…

    Showing 1–10 of 12

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    207RH0000X
    207RC0000X
    207K00000X
    174400000X
    163W00000X
    363LS0200X
    335G00000X
    253Z00000X

    Related ICD-10-CM Codes

    23 rows

    ICD-10-CM CodeDescription
    I21.09ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall
    I26.99Other pulmonary embolism without acute cor pulmonale
    I31.4Cardiac tamponade
    I34.0Nonrheumatic mitral (valve) insufficiency
    I38Endocarditis, valve unspecified
    I50.9Heart failure, unspecified
    I70.0Atherosclerosis of aorta
    I71.9Aortic aneurysm of unspecified site, without rupture
    I72.0Aneurysm of carotid artery
    I72.3Aneurysm of iliac artery

    Showing 1–10 of 23

    Related Payer Policy Updates

    Specialty: Cardiology1 / 3

    10 rows

    PolicyPayerEffective Date
    Percutaneous Left Atrial Appendage Closure Devices for Stroke Prevention in Atrial Fibrillationpremerabluecrossofwashington2027-02-05
    Percutaneous Left Atrial Appendage Closure Devices for Stroke Prevention in Atrial Fibrillationpremerabluecrossofwashington2027-02-05
    Percutaneous Left Atrial Appendage Closure Devices for Stroke Prevention in Atrial Fibrillationpremerabluecrossofwashington2027-02-05
    Percutaneous Left Atrial Appendage Closure - Medical PolicyHealth-New-England2027-02-01
    Transcatheter Mitral Valve Repair Medical PolicyHealth-New-England2027-02-01
    Cardiac Electrophysiological (EP) Studies and Cardiac Ablation of Abnormal Electrical RhythmsCigna2027-01-15
    IvabradineCigna2026-11-15
    Tilt Table TestingCigna2026-11-15
    Outpatient Cardiology Procedures for EviCore Arrangement (for Oxford Only)Colorado Rocky Mountain Health Plans2026-11-01
    Biomarkers for Myocardial Infarction and Chronic Heart Failure Reimbursement PolicyHealthfirst2026-11-01

    Related Codes

    CPT-76975-ENDOSCOPIC-ULTRASOUND-SUPERVISION-INTERPRETATION

    CPT 76975: Endoscopic Ultrasound Supervision and Interpretation

    CPT-76977-PERIPHERAL-BONE-DENSITY-ULTRASOUND

    CPT 76977: Peripheral Bone Density Measurement by Ultrasound

    CPT-76978-CONTRAST-ENHANCED-MICROBUBBLE-ULTRASOUND-LESION-ASSESSMENT

    CPT 76978: Targeted Microbubble Contrast‑Enhanced Ultrasound

    CPT-76979-TARGETED-CONTRAST-ENHANCED-ULTRASOUND-MICROBUBBLE

    CPT 76979: Additional Microbubble Contrast-Enhanced Ultrasound

    CPT-76981-ULTRASOUND-ELASTOGRAPHY-ORGAN-BASELINE-ASSESSMENT

    CPT 76981: Ultrasound Elastography for Organ Tissue Assessment

    CPT-76982-ULTRASOUND-ELASTOGRAPHY-SUSPICIOUS-LESION

    CPT 76982: Ultrasound Elastography for Suspicious Lesion

    CPT-76983-ULTRASOUND-ELASTOGRAPHY-SUSPICIOUS-LESION

    CPT 76983: Ultrasound Elastography of Additional Suspicious Lesion

    CPT-76987-INTRAOPERATIVE-CARDIAC-ULTRASOUND-CONGENITAL-HEART-DISEASE

    CPT 76987: Intraoperative Cardiac Ultrasound Guidance

    CPT-76988-INTRAOPERATIVE-ULTRASOUND-CONGENITAL-HEART-EVALUATION

    CPT 76988: Intraoperative Cardiac Ultrasound Transducer Placement and Imaging

    CPT-76989-INTRAOPERATIVE-CARDIAC-ULTRASOUND-INTERPRETATION-REPORT

    CPT 76989: Intraoperative Cardiac Ultrasound Interpretation for Congenital Heart Disease

    Showing 1–10 of 12

    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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