33259
ActiveAdd-on codeAblate atria w/bypass add-on
33259 is an add-on code — it is only payable alongside a primary procedure: 33120, 33251, 33261, 33305, 33315, 33322, 33335, 33390, 33391, 33404, 33405, 33406, 33410, 33411, 33412, 33413, 33414, 33415, 33416, 33417, 33422, 33425, 33426, 33427, 33430, 33440, 33460, 33463, 33464, 33465, 33468, 33474, 33475, 33476, 33478, 33496, 33500, 33504, 33505, 33506, 33507, 33510, 33511, 33512, 33513, 33514, 33516, 33533, 33534, 33535, 33536, 33542, 33545, 33548, 33600, 33602, 33606, 33608, 33610, 33611, 33612, 33615, 33617, 33619, 33620, 33621, 33622, 33641, 33645, 33647, 33660, 33665, 33670, 33675, 33676, 33677, 33681, 33684, 33688, 33692, 33694, 33697, 33702, 33710, 33720, 33724, 33726, 33730, 33732, 33736, 33767, 33770, 33783, 33786, 33788, 33814, 33853, 33858, 33859, 33863, 33864, 33866, 33871, 33875, 33877, 33910, 33916, 33917, 33920, 33922, 33926, 33975, 33976, 33977, 33978, 33979, 33980, 33983.
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) |
|---|---|---|---|---|---|
| 33259 | 13.79 | 7.43 | 7.43 | 3.36 | 24.58 |
Payment policy for 33259
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.