Reasonable and necessary item/service associated with a ga or gz modifier

GK
HCPCS Modifier Code

GK is a valid 2023 HCPCS Modifier that could be used to indicate Reasonable and necessary item/service associated with a ga or gz modifier.

GK Modifier has been in effect since Jan 01, 2008.

Actual item/service ordered

GK Modifier information

Modifier:	GK
Description:	REASONABLE AND NECESSARY ITEM/SERVICE ASSOCIATED WITH A GA OR GZ MODIFIER
Effective Date:	Jan 01, 2008
Added Date:	Jan 01, 2002
Coverage code:	`C` - CARRIER JUDGMENT
Action code:	`N` - NO MAINTENANCE FOR THIS CODE