These are the valid values for claim_reason in the DSIC: dispute_investigation_completed event message.
`AccountTakeover``AddendumDispute``ATMDep``ATMPar``AuthChargeback``AuthRevoked``CardLost``CardNotReceived``CardSecure``CardStolen``DebitedPriorToAuthDate``DraftEncodingError``DuplicateEntry``DuplicatePresentment``FraudApp``Improper``MerchantChargeCredited``MerchantChargedLossTheft``MerchantCounterfeit``MerchantCreditCharged``MerchantCreditIncorrectAmt``MerchantCreditNotIssued``MerchantCreditNotProcessed``MerchantDamagedDefective`|`MerchantDuplicate``MerchantIncorrectAccountNumber``MerchantIncorrectAmt``MerchantIncorrectCurrency``MerchantInvalidData``MerchantLatePresentment``MerchantNoShowCharged``MerchantNotAsDescribed``MerchantNotAuthorized``MerchantNotProvided``MerchantPaidOtherMeans``MerchantQuality``MerchantRecurring``MerchantTerms``MissingTransaction``NonCashItem``NotOurItem``ReceivedLate``RemotelyCreatedCheck``Revoked``StaleDated``Unauthorized``WarrantyBreach``WrongAmount`