CPT 75833Radiology

Vein x-ray kidneys

CPT code 75833 covers an x-ray procedure of the veins in the kidneys (renal venography), where contrast dye is injected to visualize blood flow and detect blockages, clots, or abnormalities in the renal venous system.

Showing rates for

National Average

Base Medicare rate

$142.97

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

1.49

PE RVU (NF)

2.73

MP RVU

0.2

Total RVU

4.42

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

NCCI bundling edits

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Billing tips

Always verify whether to bill globally or split between 26 and TC modifiers based on equipment ownership and setting
Impact: Incorrect modifier usage accounts for 30-40% of reimbursement errors for vascular imaging codes
Document bilateral versus unilateral imaging clearly; use RT/LT modifiers appropriately or bill 75833 once for bilateral study
Impact: Prevents billing confusion and potential upcoding allegations; ensures accurate $142.97 payment
Code the catheterization procedure separately (36011-36012) when performed, as 75833 represents only the imaging supervision and interpretation
Impact: Additional reimbursement of $50-150 for catheterization when properly documented and not bundled
Link appropriate ICD-10 codes documenting medical necessity such as renal vein thrombosis (I82.3), hematuria (R31.x), or pre-transplant evaluation (Z00.6)
Impact: Strong medical necessity documentation reduces denial rate from 25% to under 5%
Ensure contrast type, volume, and administration route are documented in the radiology report for audit protection
Impact: Missing contrast documentation is cited in 40% of RAC audits for vascular imaging codes
When performed with other renal imaging on same day, review NCCI edits and use modifier 59 only when procedures are truly distinct and non-overlapping
Impact: Inappropriate modifier 59 usage can trigger focused audits; appropriate use prevents $142.97 bundling loss

Common denials

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Frequently asked questions

What is the 2025 Medicare reimbursement rate for CPT 75833?

The 2025 Medicare national average reimbursement for CPT 75833 is $142.97 for both facility and non-facility settings, based on 4.42 total RVUs and a conversion factor of 32.3465.

Can CPT 75833 be billed with renal artery angiography on the same day?

Yes, CPT 75833 (renal venography) can be billed with renal artery angiography codes when both arterial and venous studies are medically necessary, but check NCCI edits and use modifier 59 if required to indicate distinct procedural services.

Does CPT 75833 include the catheterization procedure?

No, CPT 75833 represents only radiologic supervision and interpretation of renal venography. The catheterization procedure should be separately coded using CPT 36011 (selective catheter placement, venous) or 36012 for second-order or higher venous selection when performed.

When should modifier 26 be used with CPT 75833?

Modifier 26 should be appended to CPT 75833 when billing only the professional component (physician interpretation) in a facility setting where the hospital or imaging center owns the equipment and bills separately for the technical component.

What diagnosis codes support medical necessity for CPT 75833?

Common supporting diagnoses include renal vein thrombosis (I82.3), hematuria (R31.x), nephrotic syndrome (N04.x), renal transplant evaluation (Z94.0 or Z00.6), inferior vena cava involvement (I87.1), and suspected venous anatomical abnormalities.

How many RVUs is CPT 75833 worth in 2025?

CPT 75833 has 4.42 total RVUs in 2025, consisting of 1.49 work RVUs, 2.73 practice expense RVUs, and 0.20 malpractice RVUs, based on the CMS Medicare Physician Fee Schedule.

Is prior authorization typically required for CPT 75833?

Many commercial payers and Medicare Advantage plans require prior authorization for CPT 75833 as it is an invasive vascular imaging procedure. Requirements vary by payer, so verify authorization requirements before scheduling to prevent denial of the $142.97 payment.