Service ID Qualifier (Loop 2400) - Registry Setting
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'Y' enables the Service ID Qualifier (837P-2400-SV1-01), and Service ID (837P-2400-SV1-01) fields in the Service Codes form (Input Service Code Cross References section).
These fields override the 'Product/Service ID Qualifier (2400-SV1-01)', and 'Service ID (2400-SV1-01)' fields in the 837 file.
'N' disables these fields.
