CPT 70134Radiology

X-ray exam of middle ear

CPT code 70134 covers X-ray imaging of the middle ear, a specialized radiographic examination used to visualize the small bones and air spaces inside the ear. This diagnostic test helps doctors identify infections, fluid buildup, bone abnormalities, or other conditions affecting hearing.

Showing rates for

National Average

Base Medicare rate

$59.52

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

0.34

PE RVU (NF)

1.48

MP RVU

0.02

Total RVU

1.84

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Document medical necessity clearly, specifying why middle ear X-ray is appropriate instead of CT temporal bones (70480-70482), which has largely replaced plain films in many clinical scenarios
Impact: Prevents medical necessity denials and downcoding; lack of justification results in 100% denial in approximately 25-30% of claims
Verify that your facility has not transitioned entirely to CT imaging for middle ear evaluation, as many payers consider 70134 outdated and may require prior authorization or have restrictive LCD policies
Impact: Prevents $59.52 denial; some Medicare contractors have published LCDs limiting coverage to specific clinical scenarios only
When billing globally, ensure both technical and professional components are documented; split billing using 26 and TC modifiers when services are provided by different entities to maximize compliant reimbursement
Impact: Prevents overpayment recovery; ensures accurate payment distribution between facility and interpreting physician
Do not bill 70134 on the same date as CT temporal bone studies (70480-70482) for the same ear without modifier 59 and clear documentation of separate clinical indication
Impact: Bundling edits will deny the X-ray as inclusive; results in $59.52 denial without proper modifier and documentation
For pediatric patients with recurrent otitis media, link to appropriate ICD-10 codes (H65.x, H66.x series) and document specific clinical findings that justify imaging rather than clinical examination alone
Impact: Pediatric middle ear X-rays face higher scrutiny; proper linkage reduces denial rate by approximately 35-40%
Verify the number of views obtained matches standard protocol; if reduced views performed, append modifier 52 and adjust expected reimbursement accordingly in your billing system

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 70134 in 2025?

The 2025 Medicare national average reimbursement rate for CPT 70134 is $59.52 for both facility and non-facility settings. This is calculated using 1.84 total RVUs multiplied by the 2025 conversion factor of 32.3465. Actual reimbursement may vary based on geographic locality adjustments.

Can CPT 70134 be billed bilaterally for both ears?

CPT 70134 can be performed on both ears, but billing depends on payer policy. Medicare does not recognize bilateral modifier 50 for this code. Instead, bill separately for each ear using RT (right) and LT (left) modifiers when both ears are examined with distinct medical necessity documented for each side.

What is the difference between CPT 70134 and temporal bone CT codes?

CPT 70134 is a plain X-ray examination of the middle ear using traditional radiography, while CPT codes 70480-70482 represent CT scans of the temporal bone with more detailed cross-sectional imaging. CT has largely replaced plain X-rays for middle ear evaluation in modern practice due to superior visualization of soft tissue and bone detail, though X-rays may still be appropriate for limited screening or when CT is contraindicated.

Do I need prior authorization to bill CPT 70134?

Prior authorization requirements vary by payer and region. Many commercial payers and some Medicare Administrative Contractors require prior authorization for CPT 70134 due to its declining clinical utility and preference for CT imaging. Always verify authorization requirements with the specific payer before performing the service to avoid denial.

How many RVUs is CPT code 70134 worth in 2025?

CPT 70134 has 1.84 total RVUs in 2025, consisting of 0.34 work RVUs, 1.48 practice expense RVUs (both facility and non-facility), and 0.02 malpractice RVUs. These values are from the CMS Medicare Physician Fee Schedule RVU25A released December 23, 2024.

What diagnosis codes support medical necessity for CPT 70134?

Common supporting ICD-10 codes include H65.x series (nonsuppurative otitis media), H66.x series (suppurative and unspecified otitis media), H74.x series (other disorders of middle ear and mastoid), S02.19xA (other fracture of base of skull), and H93.1x (tinnitus). Documentation must clearly link the clinical presentation to the need for middle ear imaging.

Should I bill CPT 70134 with modifier 26 or TC?

Use modifier 26 when billing only for the professional component (physician interpretation) if you do not own the equipment. Use modifier TC when billing only the technical component (equipment, technologist, supplies) without providing interpretation. Bill without modifiers only when providing both components in a facility that owns equipment and employs the interpreting physician (global billing).