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133
CO - Contractual ObligationCoverage
Denial Code CO-133: Partially Covered - Administrative Determination
What Does Code 133 Mean?
The disposition of this claim/service is pending further review. The payer has not yet made a final determination.
Group Code CO (Contractual Obligation): The provider has agreed to accept the payer's determination. The patient is generally not responsible for this amount.
Why Does This Happen?
Additional review is needed before a final payment decision.
How to Resolve It
- 1Follow up with the payer for a timeline on the review
- 2Provide any additional documentation requested
- 3Note the claim for follow-up in your billing system
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