CPT code 78491: Myocardial PET, single study2026 Medicare rate & RVUs in Mississippi

CMS doesn’t publish a rate for 78491 in Mississippi.

Check a contract rate as a % of Medicare · 78491 nationwide

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

What 78491 covers

This code represents PET imaging of myocardial perfusion during one study, performed either at rest or under stress. Nuclear medicine and cardiac imaging teams acquire the images after administering a radiopharmaceutical tracer. Clinicians use myocardial perfusion imaging to assess blood flow to the heart muscle, including when evaluating suspected or known coronary artery disease. The study may be performed in a hospital or an imaging practice equipped for cardiac PET.

Medicare assigns status C, meaning there is no national physician fee schedule payment and the Medicare Administrative Contractor prices the claim. The service has professional and technical components: modifier 26 identifies interpretation, modifier TC identifies the equipment and staff portion, and no modifier represents the global service. The code represents a single study, not separate rest and stress studies.

This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.

How Mississippi compares for 78491

Every other payment area

78491 rates by state

Office rate range in each state. Select a state to see its payment localities.

See 78491 in every payment locality

How the 78491 rate is calculated

Each of 78491’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

Payment rules and modifiers for 78491

The CMS indicators that decide how 78491 is paid alongside other services.

What modifiers do to the payment

When to use modifier 26

Codes related to 78491

Related codes aren’t interchangeable: bill the code that matches the service performed.

How 78491 has changed in Mississippi

Price 78491 for an earlier date of service

Where the Mississippi rate applies

Mississippi is a Medicare payment area, not a city. Our Census mapping connects it to 427 cities and communities in Mississippi. Some span more than one payment area; confirm with the service ZIP.

• Abbeville
• Aberdeen
• Ackerman
• Agricola
• Alcorn State University
• Algoma
• Alligator
• Amory

Browse all communities in Mississippi

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Open CMS sourceHow we calculate rates