GG Modifier

Performance and payment of a screening mammogram and diagnostic mammogram on the same patient, same day

Active modifier

HCPCS modifierGG
Description
Performance and payment of a screening mammogram and diagnostic mammogram on the same patient, same day
Short description
Payment screen mam + diagmam
Added
January 1, 2002
Last change
January 1, 2002

What does the GG modifier mean?

The HCPCS Level II modifier GG means: “Performance and payment of a screening mammogram and diagnostic mammogram on the same patient, same day”. 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.

Other G modifiers