78445 Vascular flow imaging
What 78445 is
CMS fee schedule short descriptor: Vascular flow imaging.
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 78445 (CY2026)
| Work RVU | Practice expense RVU | Malpractice RVU | Total | Medicare rate | |
|---|---|---|---|---|---|
| Non-facility (office) | 0.48 | 4.45 | 0.07 | 5.00 | $167.00 |
| Facility (hospital, ASC) | 0.48 | 4.45 | 0.07 | 5.00 | $167.00 |
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 78445 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: Nature of Service/Procedure. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.
Billed with 78445? These codes are bundled into it
78445 is a Column 1 code in 60 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 | |
|---|---|---|---|
0395T | Hdr elctr ntrst/ntrcv brchtx | 1 - modifier may bypass | Check pair |
0645T | Tcat impltj c sins rdctj dev | 1 - modifier may bypass | Check pair |
0694T | 3d vol img&rcnstj brst/ax | 1 - modifier may bypass | Check pair |
0708T | Id ca immntx prep & 1st njx | 1 - modifier may bypass | Check pair |
0709T | Id ca immntx each addl njx | 1 - modifier may bypass | Check pair |
36000 | Place needle in vein | 1 - modifier may bypass | Check pair |
36005 | Injection ext venography | 1 - modifier may bypass | Check pair |
36410 | Vnpnxr 3yr/> phy/qhp dx/ther | 1 - modifier may 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 |
75820 | Vein x-ray arm/leg | 1 - modifier may bypass | Check pair |
75822 | Vein x-ray arms/legs | 1 - modifier may bypass | Check pair |
75825 | Vein x-ray trunk | 1 - modifier may bypass | Check pair |
75827 | Vein x-ray chest | 1 - modifier may bypass | Check pair |
75831 | Vein x-ray kidney | 1 - modifier may bypass | Check pair |
75833 | Vein x-ray kidneys | 1 - modifier may bypass | Check pair |
75840 | Vein x-ray adrenal gland | 1 - modifier may bypass | Check pair |
75860 | Vein x-ray neck | 1 - modifier may bypass | Check pair |
75870 | Vein x-ray skull | 1 - modifier may bypass | Check pair |
75872 | Vein x-ray skull epidural | 1 - modifier may bypass | Check pair |
75880 | Vein x-ray eye socket | 1 - modifier may bypass | Check pair |
75885 | Vein x-ray liver w/hemodynam | 1 - modifier may bypass | Check pair |
75887 | Vein x-ray liver w/o hemodyn | 1 - modifier may bypass | Check pair |
75889 | Vein x-ray liver w/hemodynam | 1 - modifier may bypass | Check pair |
75891 | Vein x-ray liver | 1 - modifier may bypass | Check pair |
76000 | Fluoroscopy <1 hr phys/qhp | 1 - modifier may bypass | Check pair |
76376 | 3d render w/intrp postproces | 1 - modifier may bypass | Check pair |
76377 | 3d render w/intrp postproces | 1 - modifier may bypass | Check pair |
76942 | Echo guide for biopsy | 1 - modifier may bypass | Check pair |
76998 | Us guide intraop | 1 - modifier may bypass | Check pair |
Showing 30 of 60 column 2 codes. Use the pair checker for any specific combination.
78445 is bundled into these codes
78445 appears as a Column 2 code in 131 active edits. Reported with one of these Column 1 codes on the same date of service, 78445 is the code that denies.
| Column 1 code | Short description | Modifier indicator | |
|---|---|---|---|
0541T | Myocardial imaging mcg | 0 | Check pair |
0542T | Myocardial imaging mcg i&r | 0 | Check pair |
0868T | Hi-res gastric ep mapping | 0 | Check pair |
77767 | Hdr rdncl skn surf brachytx | 1 | Check pair |
77768 | Hdr rdncl skn surf brachytx | 1 | Check pair |
77770 | Hdr rdncl ntrstl/icav brchtx | 1 | Check pair |
77771 | Hdr rdncl ntrstl/icav brchtx | 1 | Check pair |
77772 | Hdr rdncl ntrstl/icav brchtx | 1 | Check pair |
78012 | Thyroid uptake measurement | 0 | Check pair |
78013 | Thyroid imaging w/blood flow | 0 | Check pair |
78014 | Thyroid imaging w/blood flow | 0 | Check pair |
78015 | Thyroid met imaging | 0 | Check pair |
78016 | Thyroid met imaging/studies | 0 | Check pair |
78018 | Thyroid met imaging body | 0 | Check pair |
78020 | Thyroid met uptake | 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.