NCCI edits for A9504
Code page: https://localishealth.com/hcpcs/A9504
NCCI release: 2026 D
Source: https://www.cms.gov/medicare/coding-billing/national-correct-coding-initiative-ncci-edits

NOT SEPARATELY PAYABLE TOGETHER—NO NCCI-ASSOCIATED MODIFIER BYPASSES THE EDIT (modifier indicator 0)
78226    78226 is Column One, A9504 is Column Two—A9504 denies
78227    78227 is Column One, A9504 is Column Two—A9504 denies
78290    78290 is Column One, A9504 is Column Two—A9504 denies
78452    78452 is Column One, A9504 is Column Two—A9504 denies
78816    78816 is Column One, A9504 is Column Two—A9504 denies
A9512    A9504 is Column One, A9512 is Column Two—A9512 denies

BILLABLE TOGETHER ONLY WHEN AN NCCI-ASSOCIATED MODIFIER IS APPROPRIATE (modifier indicator 1)

MUE units per patient per date of service: 1