CPT 75731Radiology

Artery x-rays adrenal gland

CPT 75731 covers specialized x-ray imaging of the arteries supplying the adrenal glands, small organs above the kidneys that produce essential hormones. This diagnostic procedure uses contrast dye and fluoroscopy to visualize blood flow and detect abnormalities like tumors or vascular issues.

Showing rates for

National Average

Base Medicare rate

$149.76

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

1.14

PE RVU (NF)

3.41

MP RVU

0.08

Total RVU

4.63

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

NCCI bundling edits

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Billing tips

Always verify whether catheterization code (36251-36254 for selective adrenal artery catheterization) is bundled or separately billable
Impact: Catheterization codes can add $200-600 to total reimbursement if appropriately documented and not bundled by payer
Document unilateral versus bilateral imaging clearly, as some payers may question whether 75731 represents one or both adrenal glands
Impact: Prevents 15-25% payment reductions from payer requests for refund or coding clarification
Bill 75731 only for the radiological supervision and interpretation; ensure the procedural physician bills appropriate catheterization codes separately
Impact: Prevents unbundling denials and ensures full capture of $149.76 for S&I component
Include number of images, projections obtained, and specific arteries visualized in the report to support medical necessity
Impact: Reduces audit risk and supports the 4.63 total RVUs assigned; prevents downcoding to less specific angiography codes
For pre-adrenal vein sampling mapping, document how the arteriography changed clinical management or procedural approach
Impact: Strengthens medical necessity justification, reducing denial risk by approximately 30-40% for elective studies
Verify LCD/NCD coverage requirements for adrenal arteriography in your MAC jurisdiction before scheduling elective studies
Impact: Prevents complete denials; some MACs require prior authorization for non-emergent adrenal vascular studies

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 75731 in 2025?

The 2025 Medicare national average reimbursement for CPT 75731 is $149.76 for both facility and non-facility settings, based on 4.63 total RVUs and the 2025 conversion factor of 32.3465.

Does CPT 75731 include the catheterization procedure?

No, CPT 75731 represents only the radiological supervision and interpretation of adrenal arteriography. The actual catheterization and arterial access are reported separately using codes from the 36000-36299 series, typically 36251-36254 for selective catheterization.

Can I bill CPT 75731 for both adrenal glands?

CPT 75731 does not specify unilateral or bilateral in its descriptor. Industry standard is to report 75731 once regardless of whether one or both adrenal glands are imaged, though documentation should clearly specify laterality to avoid payer questions.

What modifiers are commonly used with CPT 75731?

Common modifiers include 26 (professional component only), TC (technical component only), 59 (distinct procedural service when billed with other vascular procedures), and RT/LT (right/left laterality indicators) for documentation clarity.

Is prior authorization required for CPT 75731?

Prior authorization requirements vary by payer and MAC jurisdiction. Many Medicare contractors and commercial payers require prior authorization for non-emergent adrenal arteriography due to its invasive nature and availability of alternative imaging modalities like CT and MRI.

How many RVUs is CPT 75731 worth?

CPT 75731 has a total of 4.63 RVUs for 2025, consisting of 1.14 work RVUs, 3.41 practice expense RVUs, and 0.08 malpractice RVUs. The facility and non-facility PE RVUs are the same at 3.41.

What diagnosis codes support medical necessity for CPT 75731?

Common supporting diagnoses include adrenal adenoma (D35.0), adrenal mass/neoplasm of uncertain behavior (D44.1), pheochromocytoma (D35.0, C74.1), primary aldosteronism (E26.09), and Cushing's syndrome due to adrenal tumor (E24.0). Documentation must link the arteriography to diagnostic uncertainty not resolved by non-invasive imaging.