NCCI edits for A9559
Code page: https://localishealth.com/hcpcs/A9559
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)
78195    78195 is Column One, A9559 is Column Two—A9559 denies
78227    78227 is Column One, A9559 is Column Two—A9559 denies
78315    78315 is Column One, A9559 is Column Two—A9559 denies
78452    78452 is Column One, A9559 is Column Two—A9559 denies
78582    78582 is Column One, A9559 is Column Two—A9559 denies

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

MUE units per patient per date of service: 1