CARC Code
226
Missing or Incomplete Provider Information
The insurance company asked for additional information from your provider, but it was either not sent, sent too late, or was incomplete. The claim cannot be processed until the requested information is received.
missing infoHow to resolve this denial
Submit requested information with appeal; check RARC for specific missing document
- 1
Review the RARC code to identify the specific document(s) required
- 2
Gather the required documentation from the provider or medical records department
- 3
Submit the documentation through the payer's electronic attachment portal or fax
- 4
Resubmit the claim with the attachment reference number if required
- 5
Confirm receipt and track to adjudication
▶✓ Pre-action checklist — verify before contacting the payer
Review the full remittance advice (ERA/EOB) for additional RARC codes that explain the denial.
Verify the claim was submitted with correct patient eligibility and benefit information.
Check if this denial applies to a specific line item or the entire claim.
▶More about CO-226 — stats, related codes, appeal template
82%
Recovery Rate
7-14 days
Avg. Resolution
Medium
Difficulty
Common
Frequency
Payer-Specific Notes
How major payers handle CARC 226 by specialty.
UnitedHealthcare
Review UHC's online claim status tool for additional detail on this adjustment.
Common 835 Combinations
CARC 226 most often appears with these Group Code + RARC combinations on 835 remittances.
Appeal Letter Template
Generic appeal template for CARC 226 denials.
We are submitting a formal appeal for claim [CLAIM_NUMBER] for patient [PATIENT_NAME], date of service [DOS]. This claim was denied/adjusted with CARC 226 indicating: "Information requested from Billing/Rendering Provider was not provided or was in." We have reviewed the claim and are providing the attached documentation to support reconsideration. [SUPPORTING_DOCUMENTATION]. Please reconsider payment per the terms of our contract.
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