CPT 93584Cardiology

Vngrph chd anom/persist svc

CPT code 93584 covers venography imaging of the heart chambers to evaluate congenital heart defects or abnormal blood vessel connections that persist from birth. This diagnostic procedure uses contrast dye and imaging to map blood flow patterns in children or adults with structural heart abnormalities.

Showing rates for

National Average

Base Medicare rate

$55.96

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

1.2

PE RVU (NF)

0.43

MP RVU

0.1

Total RVU

1.73

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

NCCI bundling edits

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Billing tips

Always verify that 93584 is billed as an add-on to a primary cardiac catheterization procedure (93530-93533, 93563-93568). This code cannot be billed alone.
Impact: Prevents automatic denial; billing without a primary procedure results in 100% payment denial ($55.96 loss per claim)
Document the specific congenital anomaly or persistent fetal structure being investigated in the procedure note. Generic 'venography' documentation will trigger medical necessity denials.
Impact: Reduces denial rate by 40-60% based on specific anatomic documentation requirements for congenital anomaly codes
Ensure separate documentation of contrast injection, imaging acquisition, and interpretation for the venous structures distinct from arterial injections or other cardiac chamber imaging.
Impact: Strengthens audit defense and prevents bundling with other imaging codes; maintains full reimbursement of $55.96
Check NCCI edits before billing 93584 with other cardiac imaging codes (93565, 93566, 93567). Use modifier 59 or XU only when anatomically distinct venous structures are imaged.
Impact: Prevents incorrect modifier usage that triggers audits while ensuring legitimate separate services receive additional $55.96 payment
Bill facility (hospital) and non-facility (ASC) settings at the same rate ($55.96) since PE RVUs are identical. Focus on setting-specific documentation requirements instead.
Impact: No financial advantage to setting selection; allows flexibility in scheduling without reimbursement concerns
For adult congenital heart disease patients, emphasize the congenital nature of the anomaly in documentation, not just the presence of abnormal anatomy, to support medical necessity.

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 93584 in 2025?

The 2025 Medicare national average reimbursement for CPT 93584 is $55.96 for both facility and non-facility settings. This is based on 1.73 total RVUs multiplied by the 2025 conversion factor of 32.3465. Actual payment may vary by geographic location based on local GPCI adjustments.

Can CPT 93584 be billed alone or does it require another procedure code?

CPT 93584 is an add-on code that cannot be billed alone. It must be billed in conjunction with a primary cardiac catheterization procedure such as CPT 93530-93533 or 93563-93568. Billing 93584 without an appropriate primary procedure will result in automatic denial.

What is the difference between CPT 93584 and other cardiac venography codes?

CPT 93584 specifically covers venography for congenital anomalies or persistent fetal circulatory structures in the heart chambers. It differs from other venography codes by focusing on developmental abnormalities rather than acquired conditions or routine anatomic imaging. The congenital/persistent nature of the anomaly is the key distinguishing feature.

How many RVUs is CPT 93584 worth in 2025?

CPT 93584 has 1.73 total RVUs in 2025, consisting of 1.2 work RVUs, 0.43 practice expense RVUs (same for both facility and non-facility), and 0.1 malpractice RVUs. These values are from the CMS Physician Fee Schedule RVU25A released December 23, 2024.

What documentation is required to bill CPT 93584 without denials?

Required documentation includes specific identification of the congenital anomaly being investigated, details of contrast injection into venous structures, description of abnormal venous drainage patterns, radiologic images with formal interpretation, and clear medical necessity linking the venography to diagnosis or surgical planning. The congenital or persistent fetal nature of the anomaly must be explicitly stated.

What are common reasons for CPT 93584 claim denials?

The most common denials include: billing without an appropriate primary cardiac catheterization code, insufficient documentation of the congenital anomaly requiring separate venography, bundling denials when medical necessity for separate imaging is not established, and duplicate service denials when billed with overlapping imaging codes without appropriate modifiers.

Which medical specialties typically bill CPT code 93584?

CPT 93584 is primarily billed by pediatric cardiologists, interventional cardiologists specializing in congenital heart disease, adult congenital heart disease specialists, and occasionally cardiac surgeons performing diagnostic catheterization. The procedure is performed in hospital catheterization laboratories or specialized cardiac centers with expertise in congenital heart defects.