NCCI edits for A9531
Code page: https://localishealth.com/hcpcs/A9531
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)
78070    78070 is Column One, A9531 is Column Two—A9531 denies
78582    78582 is Column One, A9531 is Column Two—A9531 denies
78815    78815 is Column One, A9531 is Column Two—A9531 denies

BILLABLE TOGETHER ONLY WHEN AN NCCI-ASSOCIATED MODIFIER IS APPROPRIATE (modifier indicator 1)
78306    78306 is Column One, A9531 is Column Two—A9531 denies
78802    78802 is Column One, A9531 is Column Two—A9531 denies

MUE units per patient per date of service: 100