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    v1.0.30
    OpenPayerBilling CodesDiagnostic Radiology (Diagnostic Imaging) Procedures of the Head and NeckCPT cpt-70130-mastoid-x-ray-series-mastoiditis-vestibular-evaluation
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    CPT 70130: Mastoid X‑ray, Minimum Three Views Per Side

    Medicare pays $42 on average nationally for this procedure.

    CPT code 70130 describes a plain radiographic study of the mastoid cavities with a minimum of three views per side performed to evaluate suspected mastoiditis, vestibular disorders (including vertiginous syndromes), or palpable swellings/masses in the head and neck; this diagnostic imaging service is an plain X‑ray of the mastoids typically performed in an outpatient radiology department or ambulatory imaging center to support clinical diagnosis and treatment planning.

    For related coverage guidance, see recent payer policy updates: Clinical Review Criteria Intraoperative Neurophysiological Monitoring (IONM), Remote Electrical Neuromodulation for Migraines (i.e., Nerivio®), Lumbar Microdiscectomy.

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    Clinical & Coding Specifications

    Clinical Context

    A 45-year-old patient presents to the outpatient radiology department with persistent ear pain, fever, and worsening postauricular swelling after several days of acute otitis media. The referring otolaryngologist documents concern for mastoiditis and requests radiographic evaluation. The clinical workflow: patient registration and verification of insurance (typical payors include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, Medicare); review of clinical indication and prior imaging; screening for pregnancy status if applicable; positioning the patient in the radiology suite; acquisition of a minimum of three plain radiographic views of the mastoid cavity per side (70130) to assess opacification, air cell coalescence, or bony destruction; image interpretation by a radiologist with a signed report; communication of urgent findings to the referring otolaryngologist; image storage to PACS and billing submission using 70130 with any appropriate modifiers. Typical sites of service include hospital radiology departments, outpatient imaging centers, and emergency departments. The typical patient scenario also includes evaluation of vertiginous syndromes, vestibular complaints, or palpable head/neck masses when mastoid or temporal bone radiography is indicated.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    70130Radiologic examination, mastoids; minimum of 3 views per sidePrimary code for plain mastoid radiographs to evaluate mastoiditis, vestibular disorders, or head/neck masses.
    70486CT scan, brain, without contrast, for evaluation of temporal bone/mastoid region (one view)Often performed when plain films are inconclusive or detailed evaluation of mastoid air cell system and bony erosion is required.
    70552MRI, brain (including brainstem), without contrast, when vestibular pathology is suspectedPerformed when soft-tissue, inner ear, or nerve pathology is suspected beyond bony detail.
    69990Application of external cranial fixation/device or other adjuncts (unlisted)May be coded when external monitoring or fixation is used during complex imaging in perioperative context (facility-specific use).
    70480CT scan, head/brain, without contrastAlternative cross-sectional imaging performed in emergency settings when assessing complications of mastoiditis or intracranial extension.

    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…
    50Modifier –50 (Bilateral Procedure) is appended to a CPT code when an identical procedure is performed on paired anatomical structures during the same operative session. The AMA states to add…- Use modifier -50 when the same CPT surgical, diagnostic, or radiology procedure is performed on paired anatomical structures (both sides of the body) during the same operative/session by the same…
    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…
    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…
    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…
    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…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    207L00000X
    164W00000X
    291900000X
    261QM1101X
    2471N0900X
    133VN1501X
    1744R1102X
    207RS0010X

    Related Payer Policy Updates

    Specialty: Neurology/Neurosurgery1 / 3

    10 rows

    PolicyPayerEffective Date
    Clinical Review Criteria Intraoperative Neurophysiological Monitoring (IONM)Kaiser Permanente2027-01-01
    Remote Electrical Neuromodulation for Migraines (i.e., Nerivio®)bcbsvermont2026-11-01
    Lumbar Microdiscectomyuniverahealthcare2026-10-15
    Artificial Cervical Intervertebral Discuniverahealthcare2026-10-15
    Lumbar Decompressionuniverahealthcare2026-10-15
    Responsive Neurostimulation for Focal EpilepsyPremera Bluecross2026-10-14
    Intraoperative MonitoringProvidence Health Plan2026-10-01
    Intraoperative MonitoringProvidence Health Plan2026-10-01
    High-Intensity Focused UltrasoundMass General Brigham Health Plan2026-10-01
    Vagal Nerve StimulationAmbetter Nevada2026-10-01

    Related Codes

    CPT-70010-POSTERIOR-CRANIAL-FOSSA-CONTRAST-IMAGING-INTERPRETATION

    CPT 70010: CT Posterior Cranial Fossa With Contrast

    CPT-70015-BASAL-CISTERN-BRAIN-IMAGING-SUPERVISION-INTERPRETATION

    CPT 70015: Basal Cistern Brain Imaging, Supervision and Interpretation

    CPT-70030-EYE-XRAY-FOREIGN-BODY-EVALUATION

    CPT 70030: Orbital X‑ray for Foreign Body Evaluation

    CPT-70100-MANDIBLE-X-RAY-ONE-TO-THREE-VIEWS

    CPT 70100: Mandible X‑ray, 1–3 Views

    CPT-70110-MANDIBLE-X-RAY-4-OR-MORE-VIEWS

    CPT 70110: Mandible X‑ray, Four or More Views

    CPT-70120-MASTOID-X-RAY-FEWER-THAN-3-VIEWS

    CPT 70120: Mastoid X‑ray, Limited (fewer than 3 views per side)

    CPT-70134-INTERNAL-AUDITORY-CANAL-RADIOGRAPHY

    CPT 70134: X‑ray of Internal Auditory Canals and Temporal Bone

    CPT-70140-FACIAL-BONES-XRAY-FEWER-THAN-THREE-VIEWS

    CPT 70140: Facial Bones X‑Ray, Fewer Than Three Views

    CPT-70150-FACIAL-BONES-XRAY-THREE-VIEWS

    CPT 70150: Facial Bones X‑ray, Three Views

    CPT-70160-NASAL-BONES-XRAY-THREE-OR-MORE-VIEWS

    CPT 70160: Nasal Bones X‑ray, Three or More Views

    Showing 1–10 of 66

    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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