33530
ActiveAdd-on codeCoronary artery bypass/reop
33530 is an add-on code — it is only payable alongside a primary procedure: 33390, 33391, 33404, 33405, 33406, 33410, 33411, 33412, 33413, 33414, 33415, 33416, 33417, 33418, 33419, 33420, 33422, 33425, 33426, 33427, 33430, 33440, 33460, 33463, 33464, 33465, 33468, 33474, 33475, 33476, 33477, 33478, 33496, 33510, 33511, 33512, 33513, 33514, 33516, 33517, 33518, 33519, 33521, 33522, 33523, 33533, 33534, 33535, 33536, 33863.
2026 Medicare payment
Estimated allowed amounts. Pick a locality or enter a ZIP; toggle modifiers to see how the payment rules change the number; add the add-on codes to price the whole procedure.
RVU breakdown (national)
Relative value units before geographic adjustment. Payment = (work×GPCIw + PE×GPCIpe + MP×GPCImp) × CF
| Row | Work RVU | PE RVU (office) | PE RVU (facility) | MP RVU | Total (office) |
|---|---|---|---|---|---|
| 33530 | 9.88 | 1.99 | 1.99 | 2.42 | 14.29 |
Payment policy for 33530
CMS's indicator fields, translated. These control which modifiers are payable and how.
Professional/technical (PC/TC)
pctc=0Physician service
Cannot be split into professional/technical components — modifiers 26 and TC don't apply.
Multiple procedures
mult_surg=0No reduction
No multiple-procedure payment adjustment applies (typical for add-on codes).
Bilateral (modifier 50)
bilt_surg=0150% rule doesn't apply
Bilateral adjustment does not apply (e.g., the code is unilateral by definition or physiology).
Assistant surgeon (80/81/82)
asst_surg=2Payable
Assistant at surgery (mod 80/81/82) is paid at 16% of the fee schedule amount.
Co-surgeons (modifier 62)
co_surg=0Not permitted
Co-surgeons (mod 62) may not be paid for this procedure.
Team surgery (modifier 66)
team_surg=0Not permitted
Team surgery (mod 66) may not be paid for this procedure.
Source: pfs.data.cms.gov "Indicators for 2026", retrieved 2026-07-16; conversion factors $33.4009 / $33.5675 (QP) per CMS-1832-F. Estimated amounts — not billing or coding advice.