NCCI edits for 77399
Code page: https://localishealth.com/cpt/77399
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)
90840    77399 is Column One, 90840 is Column Two—90840 denies
96523    77399 is Column One, 96523 is Column Two—96523 denies

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

MUE units per patient per date of service: 1