PR-211: NDC Not Eligible for Rebate / Not Covered
Non-formulary drug. Patient pays. Offer covered alternatives or help file a formulary exception.
What Does PR-211 Mean?
PR-211 means the drug is not covered under the patient's formulary and the patient is responsible for the cost. The patient chose or was prescribed a non-formulary drug, and the payer will not reimburse it.
CARC 211 is a pharmacy-specific denial that ties drug coverage to rebate eligibility. Payers negotiate rebate agreements with drug manufacturers, and drugs outside these agreements are flagged as non-covered when billed under this code. If the NDC is not on the payer's rebate-eligible list, the claim is rejected.
This code surfaces in two distinct scenarios. First, data entry errors — an incorrect NDC, an outdated product code, or a discontinued drug identifier triggers the denial even though the actual drug dispensed may be covered. Second, genuine formulary exclusions — the drug is not on the payer's covered formulary because no rebate agreement exists for it.
The resolution path depends on which scenario applies. For data errors, correct the NDC and resubmit. For formulary exclusions, the options are switching to a covered alternative, requesting prior authorization for the non-formulary drug, or filing a formulary exception with medical necessity documentation. When paired with PR, the patient may need to pay out-of-pocket or switch medications.
Common Causes
| Cause | Frequency |
|---|---|
| Drug not on patient's plan formulary The prescribed drug is not covered under the patient's specific benefit plan formulary, and the patient must pay for it out-of-pocket | Most Common |
| Patient chose non-formulary drug over alternatives The patient or prescriber chose a brand-name or non-formulary drug when covered alternatives were available | Common |
| Coverage limitations for the specific diagnosis The drug is on the formulary but not covered for the patient's specific diagnosis or medical condition | Occasional |
How to Resolve
Verify the NDC accuracy against the payer's formulary, correct any coding errors, and either resubmit or pursue a formulary exception.
- Inform the patient Notify the patient that their prescribed drug is not covered and explain their financial responsibility.
- Offer formulary alternatives Coordinate with the prescribing physician to identify covered alternative medications that may work for the patient.
- File formulary exception if needed If the original drug is medically necessary and no alternative exists, assist the patient in filing a formulary exception with the payer.
How to Prevent PR-211
- Check patient's formulary coverage before prescribing or dispensing
- Inform patients about covered alternatives at the point of prescribing
- Obtain patient consent before dispensing non-covered drugs
General Prevention
- Check patient's formulary coverage before prescribing or dispensing non-formulary drugs
- Inform patients about formulary alternatives that would be covered by their plan
- Obtain patient consent for non-covered drugs before dispensing
Also Filed As
The same CARC 211 may appear with different Group Codes:
Related Denial Codes
Sources
- https://www.mdclarity.com/denial-code/211
- https://x12.org/codes/claim-adjustment-reason-codes
- Codes maintained by X12. Visit x12.org for official definitions.