81504 Medicaid Rate by State

Tissue-of-origin gene expression test, unknown primary

16 state Medicaid programs publish a fee-for-service rate for 81504 (tissue-of-origin gene expression test, unknown primary), ranging from $16.22 in Pennsylvania to $520.00 in Indiana, with a median of 88.2% of the national Medicare amount.

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This page shows one representative rate per state for 81504. Full schedules include every locality, modifier, and age-band variant.

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Publishing states

16

Median % of Medicare

88.2%

Rate range

$16.22 - $520.00

81504 rates in every publishing state

StateMedicaid rate% of MedicarePrior authVintage
Hawaii$312.0060%--2025
Idaho$449.2886.4%Not required2025
Indiana$520.00100%Required2018
Kentucky$520.00100%--2026
Massachusetts$458.5888.2%--2024
Missouri$468.00--Required2026
Mississippi$468.0090%--2026
Montana$520.00100%--2026
North Dakota$520.00100%Required2026
New Hampshire$449.8086.5%Not required2026
New Jersey$416.0080%Not required2026
New Mexico$520.00100%--2024
Oregon$416.00*80%--2026
Pennsylvania$16.223.1%--2015
South Carolina$405.6078%--2026
Wisconsin$520.00----2018

Published Medicaid fee-for-service schedule amounts, not a coverage or eligibility guarantee. Managed-care plan rates can differ. Where no prior-authorization flag is shown, the state does not publish one. Rows marked * are representative published variants or methodology-derived rates. "--" in the prior-auth column means the state publishes no PA flag.

Related lab & imaging codes

Frequently asked questions

How much does Medicaid pay for 81504?

16 state Medicaid programs publish a fee-for-service rate for 81504 (tissue-of-origin gene expression test, unknown primary), ranging from $16.22 in Pennsylvania to $520.00 in Indiana, with a median of 88.2% of the national Medicare amount. The full table on this page lists every publishing state's current rate.

Which state pays the most for 81504?

Indiana publishes the highest Medicaid rate for 81504 at $520.00 (100% of the national Medicare amount). Pennsylvania publishes the lowest at $16.22.

Does 81504 require prior authorization under Medicaid?

3 of the 16 publishing states flag 81504 as requiring prior authorization (always or conditionally) on their fee schedules. States without a flag publish no PA indicator for this code - that means "not published", not "no PA required".