Code indicating type of action.

Reference number or identification number as defined for a particular Transaction Set, or as specified by the Reference Number Qualifier.

HCR02 is the number assigned by the Information Source to this review outcome.

Code assigned by issuer to identify reason for rejection.

Code indicating a Yes or No condition or response.

HCR04 is the Second Surgical Opinion indicator. A ``Y'' value indicates a Second Surgical Opinion is required, an ``N'' value indicates a Second Surgical Opinion is not required for this request.