CS is a valid 2023 HCPCS Modifier that could be used to indicate Item or service related, in whole or in part, to an illness, injury, or condition that was caused by or exacerbated by the effects, direct or indirect, of the 2010 oil spill in the gulf of mexico, including but not limited to subsequent clean-up activities.

CS Modifier has been in effect since Jan 01, 2011.

Short description for CS HCPCS Modifier code:

Gulf oil 2010 spill related