For Medicaid fee-for-service pricing inquiries, contact CMS. HHSC no longer uses the maximum allowable cost (MAC).
Pharmacy providers are encouraged to fax a copy of the manufacturer's invoice
Pharmacy providers should use the NADAC Request for Medicaid Reimbursement Review (PDF) to submit NADAC pricing inquiries. You must complete all fields for proper submission of this form. Do not include personal health information on your submitted form or invoice.