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78707 K flow/funct image w/o drug

What 78707 is

CMS fee schedule short descriptor: K flow/funct image w/o drug.

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 78707 (CY2026)

Work RVUPractice expense RVUMalpractice RVUTotalMedicare rate
Non-facility (office)0.945.240.096.27$209.42
Facility (hospital, ASC)0.945.240.096.27$209.42

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.

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Medically Unlikely Edit (MUE)

Medicare caps 78707 at 1 unit per date of service for practitioner claims (MAI 2 - date of service edit (absolute): units above the MUE never pay), rationale: Code Descriptor / CPT Instruction. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.

Billed with 78707? These codes are bundled into it

78707 is a Column 1 code in 58 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
0395THdr elctr ntrst/ntrcv brchtx1 - modifier may bypassCheck pair
0694T3d vol img&rcnstj brst/ax1 - modifier may bypassCheck pair
0708TId ca immntx prep & 1st njx1 - modifier may bypassCheck pair
0709TId ca immntx each addl njx1 - modifier may bypassCheck pair
36000Place needle in vein1 - modifier may bypassCheck pair
36005Injection ext venography1 - modifier may bypassCheck pair
36410Vnpnxr 3yr/> phy/qhp dx/ther1 - modifier may bypassCheck pair
36591Draw blood off venous device0 - no modifier bypassCheck pair
36592Collect blood from picc0 - no modifier bypassCheck pair
76000Fluoroscopy <1 hr phys/qhp1 - modifier may bypassCheck pair
763763d render w/intrp postproces1 - modifier may bypassCheck pair
763773d render w/intrp postproces1 - modifier may bypassCheck pair
76942Echo guide for biopsy1 - modifier may bypassCheck pair
76998Us guide intraop1 - modifier may bypassCheck pair
77001Fluoroguide for vein device1 - modifier may bypassCheck pair
77002Needle localization by xray1 - modifier may bypassCheck pair
77750Infuse radioactive materials1 - modifier may bypassCheck pair
77761Apply intrcav radiat simple1 - modifier may bypassCheck pair
77762Apply intrcav radiat interm1 - modifier may bypassCheck pair
77763Apply intrcav radiat compl1 - modifier may bypassCheck pair
77778Apply interstit radiat compl1 - modifier may bypassCheck pair
77789Apply surf ldr radionuclide1 - modifier may bypassCheck pair
77790Radiation handling0 - no modifier bypassCheck pair
78445Vascular flow imaging0 - no modifier bypassCheck pair
78700Kidney imaging morphol0 - no modifier bypassCheck pair
78701Kidney imaging with flow0 - no modifier bypassCheck pair
78708K flow/funct image w/drug0 - no modifier bypassCheck pair
78725Kidney function study0 - no modifier bypassCheck pair
96360Hydration iv infusion init1 - modifier may bypassCheck pair
96365Ther/proph/diag iv inf init1 - modifier may bypassCheck pair

Showing 30 of 58 column 2 codes. Use the pair checker for any specific combination.

78707 is bundled into these codes

78707 appears as a Column 2 code in 8 active edits. Reported with one of these Column 1 codes on the same date of service, 78707 is the code that denies.

Column 1 codeShort descriptionModifier indicator
77767Hdr rdncl skn surf brachytx1Check pair
77768Hdr rdncl skn surf brachytx1Check pair
77770Hdr rdncl ntrstl/icav brchtx1Check pair
77771Hdr rdncl ntrstl/icav brchtx1Check pair
77772Hdr rdncl ntrstl/icav brchtx1Check pair
78709K flow/funct image multiple0Check pair
78803Rp loclzj tum spect 1 area1Check pair
79101Nuclear rx iv admin0Check 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.