PR-210: Pre-Certification/Authorization Not Timely
Patient did not obtain required referral. Patient responsible for charges.
What Does PR-210 Mean?
PR-210 indicates the patient was responsible for obtaining a referral or authorization and failed to do so. The patient bears the financial responsibility for the service. This is less common and typically occurs with HMO plans requiring patient-initiated referrals.
CARC 210 is an authorization-specific denial that fires when the payer determines that required pre-certification or prior authorization was not obtained within the required timeframe. This is distinct from codes that address missing authorization altogether — CARC 210 specifically focuses on the timing element, indicating the authorization either was never requested, expired before the service date, or was submitted retroactively beyond the payer's deadline.
This code hits hard financially because authorization failures are among the most difficult denials to overturn. Many payers have strict policies against retroactive authorizations, and once the service is rendered without valid pre-certification, the provider has limited options. The window for requesting retroactive authorization varies by payer — some allow 48 hours for emergencies, others up to 30 days, and some do not allow it at all.
When paired with CO, the provider absorbs the full cost. When paired with PR (less common), it typically means the patient was responsible for obtaining a referral and failed to do so. The distinction matters because CO-210 often has appeal pathways while PR-210 generally does not.
Common Causes
| Cause | Frequency |
|---|---|
| Patient failed to obtain required referral The patient's plan requires a referral from their PCP before seeing a specialist, and the patient did not obtain one before the visit | Most Common |
| Patient did not follow through on authorization requirements The patient was informed of the need for pre-authorization but did not take the required steps to obtain it before receiving services | Common |
How to Resolve
Verify authorization status, request retroactive authorization if the window is still open, or appeal with medical necessity documentation.
- Confirm patient responsibility Verify that the patient's plan requires them to obtain the referral and that no referral was ever obtained.
- Assist with retroactive referral If possible, help the patient obtain a retroactive referral from their PCP and resubmit the claim.
- Bill the patient If no retroactive referral is possible, issue the patient statement for the full amount.
This adjustment is correct per the patient's benefit plan. The amount is the patient's financial responsibility. Collect from the patient rather than appealing.
How to Prevent PR-210
- Verify referral status before the patient's appointment
- Inform patients at scheduling about their plan's referral requirements
- Provide written instructions on how to obtain referrals from their PCP
General Prevention
- Inform patients at scheduling about their plan's referral or authorization requirements
- Verify referral status before the patient appointment and reschedule if necessary
- Provide patients with clear instructions on how to obtain referrals from their PCP
Also Filed As
The same CARC 210 may appear with different Group Codes:
Related Denial Codes
Sources
- https://www.mdclarity.com/denial-code/210
- https://x12.org/codes/claim-adjustment-reason-codes
- Codes maintained by X12. Visit x12.org for official definitions.