CPT 78832Radiology

Rp loclzj tum spect w/ct 2

CPT code 78832 covers a specialized imaging scan that combines two technologies (SPECT and CT) to locate tumors or cancerous tissue in two or more areas of the body using radioactive tracers.

Showing rates for

National Average

Base Medicare rate

$777.29

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

2.12

PE RVU (NF)

21.71

MP RVU

0.2

Total RVU

24.03

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

NCCI bundling edits

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Billing tips

Verify documentation clearly specifies imaging of two or more anatomical areas; if only one area imaged, use CPT 78831 instead to avoid downcoding
Impact: Prevents automatic downcoding from $777.29 to approximately $600-650 for single-area code, protecting $127-177 per claim
Ensure radiologist report explicitly documents both SPECT and CT components with separate findings from each modality for each anatomical area
Impact: Missing dual-modality documentation triggers 30-40% denial rate; proper documentation prevents average $310 loss per claim
Bill professional and technical components separately when physician and facility are different entities; verify place of service code matches component billed
Impact: Improper component billing causes payment delays of 30-60 days and potential recoupment; both rates are $777.29 for global service
Confirm radiotracer administration is documented with specific agent name, dose, route, and time; bundle tracer supply with imaging code rather than billing separately
Impact: Separate tracer billing for included agents results in denials; proper bundling streamlines claims and prevents $50-150 secondary denials
When performed with diagnostic CT (70000-76999 series), append modifier 59 to the SPECT/CT code if medically necessary and distinct from attenuation correction CT
Impact: Without modifier 59, bundling edits deny secondary procedure; proper use recovers 100% of additional CT reimbursement ($100-400 depending on CT code)
Review local coverage determinations (LCDs) for specific radiotracer agents and tumor types; some Medicare contractors require prior authorization for certain indications

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 78832 in 2025?

The 2025 Medicare national average reimbursement for CPT 78832 is $777.29 for both facility and non-facility settings. This rate is based on 24.03 total RVUs (2.12 work RVU, 21.71 PE RVU, 0.20 MP RVU) multiplied by the 2025 conversion factor of 32.3465. Actual payment may vary by geographic locality and payer contract.

What is the difference between CPT 78831 and 78832?

CPT 78831 covers SPECT/CT tumor localization for a single area, while CPT 78832 covers two or more anatomical areas. The documentation must clearly specify multiple distinct body regions to justify billing 78832. You cannot bill both codes together for the same patient on the same date; choose the code matching the number of areas actually imaged.

Can I bill CPT 78832 with a separate CT code on the same day?

Generally, the CT component is included in 78832 for attenuation correction and anatomical correlation. However, if a separate diagnostic CT with different clinical indication is performed and documented as a distinct service, it may be billable with modifier 59 on the SPECT/CT code. Documentation must clearly differentiate the separate diagnostic CT from the CT included in the SPECT/CT study.

What radiopharmaceuticals are typically used with CPT 78832?

Common agents include Tc-99m sestamibi (breast, parathyroid tumors), In-111 pentetreotide (neuroendocrine tumors), Ga-68 DOTATATE (neuroendocrine tumors), and I-123 MIBG (neuroendocrine tumors, neuroblastoma). The specific radiopharmaceutical should be documented in the medical record but is typically bundled into the 78832 reimbursement rather than billed separately for most agents.

How do I bill 78832 when only the professional or technical component is performed?

Use modifier 26 for professional component only (physician interpretation) or modifier TC for technical component only (equipment, technologist, supplies). Split billing is common when the physician interpreting the study is not employed by the facility performing the scan. The global service (no modifier) should only be billed when one entity provides both components.

What anatomical areas count as separate for billing 78832?

Distinct anatomical areas typically include separate body regions such as head/neck, chest, abdomen, pelvis, or extremities. Multiple lymph node stations within the same general region may not qualify as separate areas. Documentation should clearly identify each area by anatomical location. When uncertain, consult payer-specific guidelines or local coverage determinations for accepted area definitions.

What are the work RVUs for CPT code 78832?

CPT 78832 has 2.12 work RVUs, 21.71 practice expense RVUs (both facility and non-facility), and 0.20 malpractice RVUs, totaling 24.03 RVUs for 2025. The high practice expense RVU reflects the significant equipment and radiopharmaceutical costs associated with dual-modality SPECT/CT imaging across multiple body areas.