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This variable is contained in the following files: Durable Medical Equipment (Fee-for-Service), Outpatient (Fee-for-Service)
Short SAS Name
SAS Name

A fourth modifier to the Healthcare Common Procedure Coding System (HCPCS) procedure code to make it more specific than the first, second, or third modifier codes identify the revenue center or line item services for the claim.


This field is available only in the Hospital Outpatient data file (not other claim types). 

Source: NCH