CPT 78601Radiology

Brain image w/flow < 4 views

CPT code 78601 covers a nuclear medicine brain scan that uses radioactive tracers to create images showing both brain structure and blood flow patterns, capturing fewer than 4 different views.

Showing rates for

National Average

Base Medicare rate

$190.52

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

0.51

PE RVU (NF)

5.32

MP RVU

0.06

Total RVU

5.89

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

NCCI bundling edits

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Billing tips

Clearly document the number of views obtained (must be fewer than 4) to justify 78601 versus alternative codes
Impact: Prevents upcoding audits and potential recoupment; ensures correct code assignment versus 78605 (4+ views) which has different reimbursement
Ensure documentation includes both flow phase and static imaging components as code descriptor requires blood flow assessment
Impact: Missing flow documentation can result in denial or downcoding to static-only brain imaging codes with lower reimbursement
Bill professional and technical components separately when physician interpretation occurs independently from technical performance location
Impact: Maximizes compliant reimbursement by ensuring both facility and professional fees are captured appropriately
Verify radiopharmaceutical administration is documented with dose, route, and time to support medical necessity
Impact: Absence of radiopharmaceutical documentation is frequent audit trigger that can result in 100% claim denial
Code medical necessity using appropriate ICD-10 codes for cerebrovascular disease, dementia evaluation, or seizure disorders
Impact: Non-specific diagnosis codes increase denial risk by 40-60%; specific codes like I67.9, G40.909, or G30.9 improve clean claim rate
When billing same day as other nuclear medicine procedures, use modifier 59 only if truly distinct session with separate medical necessity
Impact: Inappropriate modifier 59 usage triggers NCCI edits and potential fraud investigation; appropriate use maintains full $190.52 payment

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Frequently asked questions

What is the Medicare reimbursement rate for CPT 78601 in 2025?

The 2025 Medicare national average reimbursement for CPT 78601 is $190.52 for both facility and non-facility settings, based on 5.89 total RVUs multiplied by the conversion factor of 32.3465.

What is the difference between CPT 78601 and 78605?

CPT 78601 covers brain imaging with flow using fewer than 4 views, while 78605 represents brain imaging with flow using 4 or more views. The number of views obtained during the study determines which code to bill, with 78605 representing a more comprehensive imaging protocol.

Can CPT 78601 be billed with modifier 26 for professional component only?

Yes, CPT 78601 can be billed with modifier 26 when only the professional component (physician interpretation) is being reported separately from the technical component. This is common when a physician interprets images acquired at a different facility.

What diagnosis codes support medical necessity for CPT 78601?

Common supporting diagnoses include cerebrovascular disease (I67.9), transient ischemic attack (G45.9), epilepsy/seizure disorders (G40.909), dementia (G30.9, F03.90), and suspected brain death evaluation. The diagnosis must support the need for brain perfusion assessment.

How many RVUs is CPT code 78601 worth in 2025?

CPT 78601 has 5.89 total RVUs in 2025, consisting of 0.51 work RVUs, 5.32 practice expense RVUs, and 0.06 malpractice RVUs. Both facility and non-facility PE RVUs are identical at 5.32.

What documentation is required to bill CPT 78601?

Required documentation includes clinical indication, radiopharmaceutical details (agent, dose, route, time), imaging protocol specifying fewer than 4 views, explicit documentation of flow phase acquisition, static imaging parameters, physician interpretation of perfusion patterns, and clinical correlation with patient management recommendations.

Can CPT 78601 and brain SPECT codes be billed together?

Generally no, CPT 78601 should not be billed with comprehensive brain SPECT codes (78607, 78608) on the same date of service as they represent different levels of the same service. Billing both together risks unbundling denials unless clearly documented as separate sessions with distinct medical indications.