CPT 93585Cardiology

Vngrph chd azygs/hemiazygs

CPT code 93585 covers venography (X-ray imaging using contrast dye) of the azygos and hemiazygos veins, which are part of the venous drainage system in the chest that runs alongside the spine.

Showing rates for

National Average

Base Medicare rate

$52.72

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

1.13

PE RVU (NF)

0.4

MP RVU

0.1

Total RVU

1.63

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

NCCI bundling edits

Loading bundling edits…

Billing tips

Always verify that 93585 is not bundled into the primary cardiac catheterization code per NCCI edits; this is an add-on study that requires separate clinical indication
Impact: Prevents automatic denials and ensures receipt of full $52.72 reimbursement when appropriate
Document the specific clinical indication for azygos/hemiazygos venography separate from routine catheterization, such as suspected SVC syndrome, venous collateral assessment, or pre-device placement mapping
Impact: Medical necessity documentation reduces denial rate by 60-70% for this supplemental imaging code
Confirm contrast injection and image acquisition were performed specifically for azygos system visualization, not incidental opacification during other venography
Impact: Distinguishes billable selective venography from incidental imaging that cannot be separately reported
Review facility contracts as some payers bundle all venography into the global catheterization package regardless of NCCI edits
Impact: Prevents wasted billing effort on contractually bundled services; may affect up to 30% of commercial payers
When performed with cardiac catheterization codes (93451-93461), ensure separate dictation section addresses azygos venography findings to support separate reporting
Impact: Structured reporting increases successful payment by demonstrating distinct diagnostic value beyond primary procedure
Track RVU productivity accurately: 93585 contributes 1.63 total RVUs to physician work relative to the effort involved
Proper RVU attribution for compensation models; ensures physician receives credit for additional diagnostic work

Live Field Datano reports yet

Real billers contribute denial patterns and appeal strategies for this code. Once 5+ reports come in, you’ll see live aggregated data here — the only place this exists, free.

Working with CPT 93585?

Get the free Revenue Protection Toolkit — the denial triggers, modifier pitfalls, and bundling conflicts that quietly cost you reimbursement. Instant download.

Help build the field knowledge

MedPayIQ gets smarter as billers contribute. If you've had this code denied, share what happened so others learn from it. Anonymous, no patient info.

Related actions

Frequently asked questions

What is the Medicare reimbursement rate for CPT code 93585 in 2025?

The 2025 Medicare national average reimbursement for CPT 93585 is $52.72 for both facility and non-facility settings. This rate is based on 1.63 total RVUs (1.13 work RVU, 0.4 practice expense RVU, 0.1 malpractice RVU) multiplied by the 2025 conversion factor of 32.3465.

Can CPT 93585 be billed with cardiac catheterization codes?

Yes, CPT 93585 can be billed with cardiac catheterization codes when there is a distinct clinical indication for azygos/hemiazygos venography beyond the primary catheterization procedure. However, you must document the specific medical necessity and ensure your payer does not have contractual bundling edits. Review NCCI edits and append modifier 59 if required to indicate a distinct procedural service.

What documentation is required to bill CPT 93585?

Required documentation includes: specific medical indication for azygos venography, description of selective catheter placement in the azygos system, type and volume of contrast used, fluoroscopic images of the azygos/hemiazygos veins, physician interpretation of venography findings, and clear distinction from incidental venous opacification during other procedures. The documentation must demonstrate this was a separately performed diagnostic study.

What are the RVU values for CPT code 93585?

CPT 93585 has a total RVU value of 1.63, consisting of 1.13 work RVUs, 0.4 practice expense RVUs (both facility and non-facility), and 0.1 malpractice RVUs. These values are from the 2025 Medicare Physician Fee Schedule.

What specialties typically bill CPT code 93585?

CPT 93585 is typically billed by interventional cardiologists, cardiac electrophysiologists, invasive cardiologists, pediatric cardiologists performing catheterizations, and interventional radiologists. The procedure must be performed by or under direct supervision of a physician with cardiac catheterization privileges.

Why would a doctor order azygos venography during cardiac catheterization?

Azygos venography is ordered to evaluate venous drainage patterns in suspected superior vena cava obstruction, assess collateral circulation, map venous anatomy before device implantation (like pacemakers or defibrillators), investigate congenital venous anomalies, or evaluate abnormal venous connections. It provides critical information beyond standard arterial catheterization.

What are common denial reasons for CPT 93585?

Common denials include: bundling with primary cardiac catheterization codes, lack of documented medical necessity for azygos-specific imaging, insufficient documentation of selective catheterization and contrast injection, and payer-specific edits treating all venography as part of the global catheterization package. Strong documentation of separate clinical indication is essential to prevent denials.