Home / Medicare fees / 79300

79300 Nuclr rx interstit colloid

What 79300 is

CMS fee schedule short descriptor: Nuclr rx interstit colloid.

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 79300 (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.

Advertisement

Medically Unlikely Edit (MUE)

Medicare caps 79300 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 79300? These codes are bundled into it

79300 is a Column 1 code in 29 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 brchtx0 - no modifier 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
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
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
77789Apply surf ldr radionuclide1 - modifier may bypassCheck pair
77790Radiation handling0 - no modifier bypassCheck pair
78445Vascular flow imaging0 - no modifier bypassCheck pair
79200Nuclear rx intracav admin1 - modifier may bypassCheck pair
96360Hydration iv infusion init1 - modifier may bypassCheck pair
96365Ther/proph/diag iv inf init1 - modifier may bypassCheck pair
96372Ther/proph/diag inj sc/im1 - modifier may bypassCheck pair
96374Ther/proph/diag inj iv push1 - modifier may bypassCheck pair
96375Tx/pro/dx inj new drug addon1 - modifier may bypassCheck pair
96376Tx/pro/dx inj same drug adon1 - modifier may bypassCheck pair
96377Applicaton on-body injector1 - modifier may bypassCheck pair
96523Irrig drug delivery device0 - no modifier bypassCheck pair
99446Ntrprof ph1/ntrnet/ehr 5-100 - no modifier bypassCheck pair
99447Ntrprof ph1/ntrnet/ehr 11-200 - no modifier bypassCheck pair
99448Ntrprof ph1/ntrnet/ehr 21-300 - no modifier bypassCheck pair
99449Ntrprof ph1/ntrnet/ehr 31/>0 - no modifier bypassCheck pair
99451Ntrprof ph1/ntrnet/ehr 5/>0 - no modifier bypassCheck pair
99452Ntrprof ph1/ntrnet/ehr rfrl0 - no modifier bypassCheck pair

79300 is bundled into these codes

79300 appears as a Column 2 code in 7 active edits. Reported with one of these Column 1 codes on the same date of service, 79300 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
77778Apply interstit radiat compl0Check pair
G0458Ldr prostate brachy comp rat0Check 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.