Submission Clarification Code
Pharmacies eligible to participate in the 340B Drug Pricing Program must identify all outpatient pharmacy claims filled with 340B stock for 340B-eligible clients by submitting the value of "20 " (340B / Disproportionate Share Pricing/Public Health Service) in the "Submission Clarification Code" field (420-DK). Refer to the 340B Resources for billing requirements of eligible pharmacies.