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Billing code 84378 · Lab & pathology

84378 Medicaid reimbursement rate by state (2026)

Clinical lab tests. Medicaid pays a median of $11.30 for 84378 across 49 states, from $5.54 in Florida to $16.45 in Arkansas.

Data as of Oct 5, 202649 statesEvery rate links to its official source

States publishing
49
National median
$11.30units vary by state
Lowest
$5.54Florida
Highest
$16.45Arkansas
Answer

What does Medicaid pay for 84378?

49 state Medicaid programs publish a fee-for-service rate for 84378. The national median is $11.30 (units differ between states). Arkansas pays the most, $16.45, and Florida the least, $5.54, a 3.0x spread.

State ranking

84378 rate by state: highest, middle and lowest

One like-for-like fee-for-service rate per state, ranked. The workspace lists all 49 states with every variant, modifier and effective date.

#StateMedicaid rateUnitPer hourManaged-care plans% of Medicare
1Arkansas Source · since 2025-03-26$16.45——Not classified—
2Iowa Source · since 2013-07-01$16.37——Plans must pay at least this—
3Georgia Source · since 2017-01-01$14.49——Plans negotiate; applies out of network—
24Maryland Source · since 2026-02-01$11.31——Not classified—
25Delaware Source · since 2024-01-01$11.30——Plans negotiate; applies out of network—
26Vermont Source · since 2025-01-01$11.24——Not classified—
48Illinois Source · since 2024-04-01$7.85——Plans negotiate; applies out of network—
49Florida Source · since 2026-01-01$5.54——Plans negotiate; applies out of network—
See all 49 states for 84378 — start free

41 more states, with every modifier and provider-type variant, rate history and the plan rule in each state. 14-day free trial, no credit card.

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Rates are per the unit shown for each state; units can differ between states. Medicare amounts are computed from the CMS relative value file and locality cost indices; states with several Medicare localities show a range. Confirm rates with the payer before billing.

Track 84378 in your states. Get an alert when any state changes it, with every variant and the managed-care rule.
FAQ

Frequently asked questions

What does Medicaid pay for 84378?

It depends on the state. Of the 49 states with a published fee-for-service rate, the median is $11.30. Arkansas pays the most ($16.45) and Florida the least ($5.54).

Which state pays the highest Medicaid rate for 84378?

Arkansas, at $16.45, effective 2025-03-26.

Do managed-care plans pay the same rate for 84378?

Not necessarily. Each state's plan contracts decide whether plans must pay at least the fee-for-service rate, pay a state-set rate, or negotiate their own. The workspace shows the rule for each state, cited to the contract or statute.