5010 837I TR3 for 2300/REF Payer Claim Control Number (REF01=F8) states: "Required when CLM05-3 (Claim Frequency Code) indicates this claim is a replacement or void to a previously adjudicated claim. If not required by this implementation guide, do not send."
NUBC manual has following Claim Frequency Type (CLM05-3) codes associated with "replacement" or "void" claims: 7, 8, X and Y. Is it compliant with the TR3 to use noted above REF segment when CLM05-3 has code value indicating adjustment claim such as G or I?
The 2300 payer claim control number allows senders to link the submitted claim to a specific claim within the payer system. It is consistent with the TR3 to use this data element as a means to communicate the specific claim to be adjusted. Although all of the Claim Frequency Codes you listed identify adjustment claims, we note that codes X, Y, G, and I are not applicable to the submission of claims by a provider to a health plan.