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33933 Prepare donor heart/lung

What 33933 is

CMS fee schedule short descriptor: Prepare donor heart/lung.

Full CPT long descriptions are licensed by the American Medical Association and are not published on this site; the short descriptor above is the one CMS prints in its own fee schedule file. See About CPT.

Medicare payment for 33933 (CY2026)

This code has no Physician Fee Schedule rate: Carrier-priced - the Medicare contractor sets the price. It may be paid under a different fee schedule (clinical laboratory, DMEPOS, anesthesia) or not paid at all - check the relevant CMS schedule.

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Medically Unlikely Edit (MUE)

Medicare caps 33933 at 1 unit per date of service for practitioner claims (MAI 2 - date of service edit (absolute): units above the MUE never pay), rationale: Anatomic Consideration. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 33933? These codes are bundled into it

33933 is a Column 1 code in 15 active NCCI PTP edits. When one of these Column 2 codes is reported on the same date of service, it is denied as bundled - unless the edit's modifier indicator is 1 and documentation supports a distinct service with an NCCI-associated modifier.

Column 2 codeShort descriptionModifier indicator
32855Prepare donor lung single1 - modifier may bypassCheck pair
32856Prepare donor lung double1 - modifier may bypassCheck pair
33944Prepare donor heart1 - modifier may bypassCheck pair
36591Draw blood off venous device0 - no modifier bypassCheck pair
36592Collect blood from picc0 - no modifier bypassCheck pair
64420Njx aa&/strd ntrcost nrv 11 - modifier may bypassCheck pair
64421Njx aa&/strd ntrcost nrv ea1 - modifier may bypassCheck pair
64461Pvb thoracic single inj site1 - modifier may bypassCheck pair
64463Pvb thoracic cont infusion1 - modifier may bypassCheck pair
64466Thrc fascial pln blk uni njx0 - no modifier bypassCheck pair
64467Thrc fascial pln blk uni nfs0 - no modifier bypassCheck pair
64468Thrc fascial pln blk bi njx0 - no modifier bypassCheck pair
64469Thrc fascial pln blk bi nfs0 - no modifier bypassCheck pair
69990Microsurgery add-on0 - no modifier bypassCheck pair
96523Irrig drug delivery device0 - no modifier bypassCheck pair

Data: CMS CY2026 Physician Fee Schedule RVU file (October release, RVU26D) and Medicare NCCI PTP practitioner edits v32.3 (2026 Q4). Verify against the official files before billing or contracting decisions.