OA Denial Codes

Browse OA denial codes with clear explanations, common causes, billing guidance, and claim resolution information for medical billing and insurance claims

All PR Denial Codes
OA Denial Codes 1-25

OA-18 Denial Code- Indicates the payer believes the claim is a duplicate of a previously submitted claim

OA-23 Denial Code- Indicates another payer has already made payment on the claim

OA Denial Codes 81-100

OA-94 Denial Code- Indicates the payer adjusted reimbursement based on medical policy guidelines or coverage requirements

OA Denial Codes 101-120

OA-109 Denial Code- Indicates the claim was submitted to a payer that is not responsible for coverage

OA Denial Codes 161-180

OA-161 Denial Code- Indicates reimbursement was adjusted based on payer performance, quality, or contractual payment programs

Medical billing denial codes, insurance prefixes, and claim guidance in one searchable resource hub.

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