M2 Modifier
Medicare secondary payer (msp)
HCPCS modifierM2
- Description
- Medicare secondary payer (msp)
- Short description
- Medicare secondary payer
- Added
- January 1, 2007
- Last change
- January 1, 2007
What does the M2 modifier mean?
The HCPCS Level II modifier M2 means: “Medicare secondary payer (msp)”. Append it to a HCPCS or CPT code on the claim line when the payer’s policy calls for it; placement and payment effects are defined by each payer.