Box 12 - Patient's or Authorized Person's Signature

Box Description

Box 12 indicates the client authorizes the release of any medical information needed to process and/or adjudicate the claim. This can be done by entering "Signature on File", "SOF", or by using an actual signature.


In AveaOffice

The signature on file, or SOF, is a defaulted field in AveaOffice and cannot be edited.


EDI File

Loop 2300, Segment CLM09


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