Service for ordering/referring physician qualifies as a service exemption

Q4
HCPCS Modifier Code

Q4 is a valid 2023 HCPCS Modifier that could be used to indicate Service for ordering/referring physician qualifies as a service exemption.

Q4 Modifier has been in effect since Jan 01, 1997.

Svc exempt - ordrg/rfrng md

Q4 Modifier information

Modifier:	Q4
Description:	SERVICE FOR ORDERING/REFERRING PHYSICIAN QUALIFIES AS A SERVICE EXEMPTION
Effective Date:	Jan 01, 1997
Added Date:	Jan 01, 1994
Coverage code:	`C` - CARRIER JUDGMENT
Action code:	`N` - NO MAINTENANCE FOR THIS CODE