What’s the difference between “prior authorization” and “medical necessity" for prescription drugs?
| Prior Authorization | Medical (Clinical) Necessity |
You must get a prior authorization for drugs that:
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A medical necessity approval allows you to pay the formulary copaymentA fixed dollar amount you may pay for a covered health care service or drug. for a non-formulary drug. Express Scripts must approve the request. Your provider may prove medical necessity if a formulary drug:
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Check the TRICARE Formulary to find out the requirements for your drug.
Last Updated 9/25/2024