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CMS January 2026Clinical Laboratory Fee Schedule · Free lookup

CPT 84439 Medicare Lab Fee Schedule 2026

Medicare's 2026 national Clinical Laboratory Fee Schedule payment for CPT 84439 is $9.02, unchanged from 2025.

National rate, January 2026
National
$9.02
vs. 2025
No change
Commercial national avg.
$9.66

Filters

84439
20262025

Select one or more years

Up to 5 codes · 4 remaining

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Clinical Lab·84439·2026, 2025
Current rate
$9.02▲0.0%
Code description

Thyroxine (thyroid chemical), free

CodeYearModifierRateDescription
844392026none$9.02Thyroxine (thyroid chemical), free
844392025none$9.02Thyroxine (thyroid chemical), free

84439 national rate by year

Each row is the latest CMS file published that year. Change is against the year before.

CMS fileNational paymentChange
January 2026$9.02No change
January 2025$9.02No change
January 2024$9.02No change
January 2023$9.02No change
January 2022$9.02-

Since 2018 the Clinical Laboratory Fee Schedule pays one national amount per code, set from private-payer rates that laboratories report to CMS, so this figure is the same in every locality.

84439: Medicare vs. commercial national average

The commercial national average for 84439, the mean of what BCBS, UnitedHealthcare, Aetna and Cigna publish nationwide, is $9.66, 107% of Medicare's $9.02.

  • BCBS $7.38
  • UnitedHealthcare $6.47
  • Aetna $11.55
  • Cigna $13.24

A national average, not a local rate: each payer's figure averages the unmodified, in-network professional rates it publishes for 84439 across the country in its transparency files. Contracted rates vary widely by market, provider and plan. Medicare's figure is its national Clinical Laboratory Fee Schedule payment.

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Compare Medicare's rate for 84439 with published commercial rates

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