NCCI edits for 84377
Code page: https://localishealth.com/cpt/84377
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)
96523    84377 is Column One, 96523 is Column Two—96523 denies

BILLABLE TOGETHER ONLY WHEN AN NCCI-ASSOCIATED MODIFIER IS APPROPRIATE (modifier indicator 1)
84376    84377 is Column One, 84376 is Column Two—84376 denies
84379    84379 is Column One, 84377 is Column Two—84377 denies

MUE units per patient per date of service: 1