NCCI edits for 33521 Code page: https://localishealth.com/cpt/33521 NCCI release: 2026 C 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) 20680 33521 is Column One, 20680 is Column Two—20680 denies 33140 33521 is Column One, 33140 is Column Two—33140 denies 33210 33521 is Column One, 33210 is Column Two—33210 denies 33211 33521 is Column One, 33211 is Column Two—33211 denies 33254 33521 is Column One, 33254 is Column Two—33254 denies 33255 33521 is Column One, 33255 is Column Two—33255 denies 33256 33521 is Column One, 33256 is Column Two—33256 denies 36591 33521 is Column One, 36591 is Column Two—36591 denies 36592 33521 is Column One, 36592 is Column Two—36592 denies 93355 33521 is Column One, 93355 is Column Two—93355 denies 96523 33521 is Column One, 96523 is Column Two—96523 denies BILLABLE TOGETHER ONLY WHEN AN NCCI-ASSOCIATED MODIFIER IS APPROPRIATE (modifier indicator 1) 32100 33521 is Column One, 32100 is Column Two—32100 denies 32551 33521 is Column One, 32551 is Column Two—32551 denies 32556 33521 is Column One, 32556 is Column Two—32556 denies 32557 33521 is Column One, 32557 is Column Two—32557 denies 33310 33521 is Column One, 33310 is Column Two—33310 denies 33315 33521 is Column One, 33315 is Column Two—33315 denies 33517 33521 is Column One, 33517 is Column Two—33517 denies 33518 33521 is Column One, 33518 is Column Two—33518 denies 33519 33521 is Column One, 33519 is Column Two—33519 denies 33522 33522 is Column One, 33521 is Column Two—33521 denies 33523 33523 is Column One, 33521 is Column Two—33521 denies 35226 33521 is Column One, 35226 is Column Two—35226 denies 35681 33521 is Column One, 35681 is Column Two—35681 denies 35682 33521 is Column One, 35682 is Column Two—35682 denies 35683 33521 is Column One, 35683 is Column Two—35683 denies 35702 33521 is Column One, 35702 is Column Two—35702 denies 35703 33521 is Column One, 35703 is Column Two—35703 denies 35820 33521 is Column One, 35820 is Column Two—35820 denies 37700 33521 is Column One, 37700 is Column Two—37700 denies 37718 33521 is Column One, 37718 is Column Two—37718 denies 37722 33521 is Column One, 37722 is Column Two—37722 denies 37735 33521 is Column One, 37735 is Column Two—37735 denies 39010 33521 is Column One, 39010 is Column Two—39010 denies 64420 33521 is Column One, 64420 is Column Two—64420 denies 64421 33521 is Column One, 64421 is Column Two—64421 denies 64461 33521 is Column One, 64461 is Column Two—64461 denies 64463 33521 is Column One, 64463 is Column Two—64463 denies 76881 33521 is Column One, 76881 is Column Two—76881 denies 76882 33521 is Column One, 76882 is Column Two—76882 denies 76998 33521 is Column One, 76998 is Column Two—76998 denies 92953 33521 is Column One, 92953 is Column Two—92953 denies 92960 33521 is Column One, 92960 is Column Two—92960 denies 92961 33521 is Column One, 92961 is Column Two—92961 denies 92970 33521 is Column One, 92970 is Column Two—92970 denies 92971 33521 is Column One, 92971 is Column Two—92971 denies 93970 33521 is Column One, 93970 is Column Two—93970 denies 93985 33521 is Column One, 93985 is Column Two—93985 denies 93986 33521 is Column One, 93986 is Column Two—93986 denies MUE units per patient per date of service: not published