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This variable is contained in the following files: Inpatient (Fee-for-Service), Skilled Nursing Facility (Fee-for-Service)
Short SAS Name
SAS Name

A diagnosis code on the institutional claim indicating the beneficiary's initial diagnosis at admission.

This diagnosis code may not be confirmed after the patient is evaluated; it may be different than the eventual diagnoses (e.g., as in PRNCPAL_DGNS_CD or ICD_DGNS_CD1-25).


Source: NCH