103Denial Code (CARC)Active
Effective 01/01/1995 · Updated 06/30/2001

CO 103 Denial Code - Provider Discount Applied

CARC 103 indicates that a provider promotional discount, such as a senior citizen discount, has been applied to the claim. This adjustment reflects a reduction in the claim amount due to a discount offered by the provider, not related to payer policies or patient insurance coverage.

Who Pays: Group Code Liability

The group code for CARC 103 is typically CO, meaning the provider absorbs the cost of the discount as a contractual write-off. The patient cannot be billed for this discount amount.

Why Claims Get Code 103

  • The provider offered a senior citizen discount that was applied during billing.
  • The billing system automatically applied a promotional discount based on provider policy.
  • Discounts programmed into the billing software were applied to eligible patient accounts.
  • Human error in configuring the discounts in the billing system led to an unintended discount application.

How to Fix & Resubmit

  1. Verify the discount was intended and aligns with provider promotional policies.
  2. Check the billing system settings to ensure discounts are correctly configured and applied.
  3. If the discount was not intended, correct the claim in the billing system to remove the discount and rebill.
  4. Consult with the provider's financial policies to confirm that the discount application is correct.

Corrected Claim or Appeal?

A corrected claim is necessary if the discount was applied in error and does not align with provider policy. An appeal is generally not applicable for CARC 103, as this is a provider-initiated adjustment.

Preventing Future 103 Denials

  • Regularly review and update provider discount policies to ensure billing accuracy.
  • Ensure billing staff are trained on when and how promotional discounts should be applied.
  • Conduct audits on claims to verify that discounts are correctly applied per provider policies.
  • Implement system checks to prevent unintended discounts from being applied automatically.