State reference / 50 states, DC & Puerto Rico

340B Medicaid billing by state

Find plan routing, contract-pharmacy conditions and billing requirements in one place.

52 jurisdictions · Compared October 1, 2026

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Billing abbreviations
AAC
Actual acquisition cost
BCD
Basis of cost determination (423-DN)
CE
Covered entity
FFS
Fee-for-service
MCO
Managed care organization
MEF
HRSA Medicaid Exclusion File
PAD
Provider-administered drug
PBM
Pharmacy benefit manager
SCC
Submission clarification code (420-DK)
U&C
Usual and customary charge
NADAC
National average drug acquisition cost
WAC
Wholesale acquisition cost

Updated October 1, 2026

Rules can vary by provider, benefit, service date and contract. Use the linked sources and current payer instructions before billing. Plan listings do not establish permission to use 340B drugs. This reference is not legal advice.