77373 Strtctc bdy rad ther tx dlvr
What 77373 is
CMS fee schedule short descriptor: Strtctc bdy rad ther tx dlvr.
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 77373 (CY2026)
| Work RVU | Practice expense RVU | Malpractice RVU | Total | Medicare rate | |
|---|---|---|---|---|---|
| Non-facility (office) | 0.00 | 29.05 | 0.25 | 29.30 | $978.65 |
| Facility (hospital, ASC) | 0.00 | 29.05 | 0.25 | 29.30 | $978.65 |
National rates: total RVUs x the CY2026 conversion factor of 33.4009 (non-QP), before geographic adjustment. Actual Medicare payment is 80% of the rate shown after the deductible; the patient or secondary payer owes the 20% coinsurance.
Status: Active - payable under the Physician Fee Schedule. Global period: Global concept does not apply.
Medically Unlikely Edit (MUE)
Medicare caps 77373 at 1 unit per date of service for practitioner claims (MAI 3 - date of service edit (clinical): units above the MUE may pay with documentation on appeal), rationale: Clinical: Data. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.
Billed with 77373? These codes are bundled into it
77373 is a Column 1 code in 246 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 code | Short description | Modifier indicator | |
|---|---|---|---|
0591T | Hlth&wb coaching indiv 1st | 1 - modifier may bypass | Check pair |
0592T | Hlth&wb coaching indiv f-up | 1 - modifier may bypass | Check pair |
0593T | Hlth&wb coaching group | 1 - modifier may bypass | Check pair |
0596T | Temp fml iu vlv-pmp 1st insj | 0 - no modifier bypass | Check pair |
0597T | Temp fml iu valve-pmp rplcmt | 0 - no modifier bypass | Check pair |
0947T | Mrgfus strtctc bl-br disrpj | 1 - modifier may bypass | Check pair |
11920 | Correct skin color 6.0 cm/< | 0 - no modifier bypass | Check pair |
11921 | Correct skn color 6.1-20.0cm | 0 - no modifier bypass | Check pair |
16000 | Initial treatment of burn(s) | 0 - no modifier bypass | Check pair |
16020 | Dress/debrid p-thick burn s | 0 - no modifier bypass | Check pair |
16025 | Dress/debrid p-thick burn m | 0 - no modifier bypass | Check pair |
16030 | Dress/debrid p-thick burn l | 0 - no modifier bypass | Check pair |
20660 | Apply rem fixation device | 0 - no modifier bypass | Check pair |
20661 | Application halo cranial | 1 - modifier may bypass | Check pair |
20693 | Adjmt/revj ext fixj sys anes | 1 - modifier may bypass | Check pair |
20694 | Rmvl ext fixj sys under anes | 1 - modifier may bypass | Check pair |
36000 | Place needle in vein | 1 - modifier may bypass | Check pair |
36410 | Vnpnxr 3yr/> phy/qhp dx/ther | 1 - modifier may bypass | Check pair |
36425 | Venipuncture cutdown 1 yr/> | 0 - no modifier bypass | Check pair |
36591 | Draw blood off venous device | 0 - no modifier bypass | Check pair |
36592 | Collect blood from picc | 0 - no modifier bypass | Check pair |
51701 | Insert bladder catheter | 0 - no modifier bypass | Check pair |
51702 | Insert temp bladder cath | 0 - no modifier bypass | Check pair |
51703 | Insert bladder cath complex | 0 - no modifier bypass | Check pair |
61715 | Mrgfus strtctc ablt trgt icr | 1 - modifier may bypass | Check pair |
61720 | Incise skull/brain surgery | 1 - modifier may bypass | Check pair |
61735 | Incise skull/brain surgery | 1 - modifier may bypass | Check pair |
61781 | Scan proc cranial intra | 1 - modifier may bypass | Check pair |
61782 | Scan proc cranial extra | 1 - modifier may bypass | Check pair |
61783 | Scan proc spinal | 1 - modifier may bypass | Check pair |
Showing 30 of 246 column 2 codes. Use the pair checker for any specific combination.
77373 is bundled into these codes
77373 appears as a Column 2 code in 12 active edits. Reported with one of these Column 1 codes on the same date of service, 77373 is the code that denies.
| Column 1 code | Short description | Modifier indicator | |
|---|---|---|---|
32701 | Thorax stereo rad targetw/tx | 0 | Check pair |
61750 | Incise skull/brain biopsy | 1 | Check pair |
61751 | Brain biopsy w/ct/mr guide | 1 | Check pair |
61760 | Implant brain electrodes | 1 | Check pair |
61770 | Incise skull for treatment | 1 | Check pair |
61796 | Srs cranial lesion simple | 0 | Check pair |
61798 | Srs cranial lesion complex | 0 | Check pair |
63620 | Srs spinal lesion | 1 | Check pair |
77520 | Proton trmt simple w/o comp | 0 | Check pair |
77522 | Proton trmt simple w/comp | 0 | Check pair |
77523 | Proton trmt intermediate | 0 | Check pair |
77525 | Proton treatment complex | 0 | Check 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.