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CPT 84425

Vitamin b-1 (thiamine) level

$20.70Medicare-allowed amount per service, averaged across 126,025 services
Providers submitted
$147.17

Asking price, not received

Medicare allowed
$20.70

The fee schedule figure

Medicare paid
$20.70

Balance is patient coinsurance

Providers submitted an average of $147.17 for this code and Medicare allowed $20.70 — 7.1× less. That gap is normal and means nothing on its own: Medicare pays its fee schedule regardless of what is billed, so the submitted figure describes a hospital chargemaster, not a price anyone paid. Of the allowed amount Medicare paid $20.70 (100%); the rest is the patient’s coinsurance and deductible.

Services
126,025

Medicare Part B, 2024

Beneficiaries
118,562
Providers billing it
184
Total allowed
$2,608,718

Services × allowed amount

What Medicare pays for CPT 84425

Across 126,025 services billed by 184 providers to 118,562 beneficiaries, Medicare allowed an average of $20.70 per service. The allowed amount is the figure that matters: it is what Medicare and the patient together owe, set by the fee schedule and adjusted for local practice costs. What a provider chose to submit has no bearing on it.

Who bills 84425

SpecialtyServicesBeneficiariesAvg allowedProviders
Clinical Laboratory125,887118,432$20.70178
Pathology110103$20.314
Neurology1616$20.811
Emergency Medicine1211$20.811

84425 reimbursement by state

Two different numbers. Allowed is what Medicare actually allowed in that state, which includes the local practice-cost adjustment. Standardized strips that geographic adjustment out of the payment, so it is the column to use when comparing states — a difference there reflects how the code was billed, not what it costs to run a practice locally.

StateServicesAllowedStandardized pmtProviders
North Carolina18,525$20.78$20.797
California16,043$20.11$20.8114
New Jersey13,131$20.80$20.8114
Florida12,017$20.79$20.8110
Texas11,520$20.80$20.8112
Georgia5,689$20.80$20.801
Arizona5,251$20.75$20.814
Massachusetts4,353$20.81$20.815
Kansas4,148$20.80$20.815
New York4,019$20.80$20.8110
Ohio3,320$20.77$20.8110
Washington3,027$20.81$20.815
Illinois2,947$20.81$20.815
Pennsylvania2,820$20.77$20.806
Tennessee2,665$20.75$20.814
Alabama2,373$20.78$20.813
Nevada1,730$20.81$20.813
Utah1,603$20.76$20.815
Virginia1,543$20.73$20.806
Maryland1,494$20.80$20.814
Wisconsin1,364$20.65$20.814
Oklahoma1,344$20.81$20.814
Minnesota1,050$20.72$20.815
Oregon771$20.54$20.814
Colorado752$20.79$20.814
Indiana489$20.66$20.811
Hawaii373$20.73$20.812
Michigan342$19.66$20.527
Kentucky288$20.75$20.812
New Mexico256$20.68$20.811
Iowa154$20.49$20.811
Rhode Island143$20.81$20.811
Louisiana106$20.81$20.812
South Dakota106$20.65$20.813
Maine82$20.81$20.811
Mississippi44$20.81$20.812
Puerto Rico39$20.81$20.812
Connecticut34$20.81$20.811
South Carolina25$20.81$20.811
Idaho17$20.81$20.811
New Hampshire16$20.81$20.811
North Dakota12$20.81$20.811

Related codes

Billing this code is not the same as earning it

An allowed amount is revenue to a practice, not income to a clinician. It funds staff, premises, equipment and supplies before anyone is paid. What clinicians actually earn is published separately by the Department of Labor, and what industry pays them is published separately again by CMS — this site carries both.

What doctors are paid →·Look up a clinician →·All procedure codes →

Where this comes from. CMS Medicare Physician & Other Practitioners, by Provider and Service, 2024. It covers fee-for-service Original Medicare Part B only — not Medicare Advantage, not Medicaid, and not commercial insurance, which typically pays more for the same code.

How it is averaged. CMS publishes one average per provider per code. Every figure here is re-weighted by the number of services, so a clinician who billed the code 4,000 times counts 4,000 times more than one who billed it twice. CMS also suppresses any provider-code pair with fewer than 11 beneficiaries, so low-volume practice is missing from these totals by design.