Medicare Reimbursement for CPT 20661
CPT 20661 is a procedure code defined by the American Medical Association; its specific clinical descriptor is not reproduced here due to licensing. This page shows the estimated Medicare Physician Fee Schedule (PFS) allowed amount for this code at the national level and can be adjusted by locality, with separate figures for non-facility and facility settings.
Medicare allowed amount (2026)
| Locality | Non-facility | Facility |
|---|---|---|
| National (unadjusted) | $553.45 | $553.45 |
| ALASKA* (AK) | $633.75 | $633.75 |
| ALABAMA (AL) | $487.52 | $487.52 |
| ARKANSAS (AR) | $479.35 | $479.35 |
| ARIZONA (AZ) | $534.96 | $534.96 |
| SAN FRANCISCO-OAKLAND-BERKELEY (SAN FRANCISCO/SAN MATEO/ALAMEDA/CONTRA COSTA CNTY) (CA) | $668.49 | $668.49 |
| SAN JOSE-SUNNYVALE-SANTA CLARA (SANTA CLARA CNTY) (CA) | $679.76 | $679.76 |
| OXNARD-THOUSAND OAKS-VENTURA (CA) | $594.93 | $594.93 |
| LOS ANGELES-LONG BEACH-ANAHEIM (LOS ANGELES/ORANGE CNTY) (CA) | $599.89 | $599.89 |
| NAPA (CA) | $638.14 | $638.14 |
| SAN FRANCISCO-OAKLAND-BERKELEY (MARIN CNTY) (CA) | $670.49 | $670.49 |
| VALLEJO (CA) | $635.26 | $635.26 |
| BAKERSFIELD (CA) | $564.76 | $564.76 |
| CHICO (CA) | $560.13 | $560.13 |
| FRESNO (CA) | $560.13 | $560.13 |
| HANFORD-CORCORAN (CA) | $560.13 | $560.13 |
| MADERA (CA) | $560.13 | $560.13 |
| MERCED (CA) | $560.13 | $560.13 |
| MODESTO (CA) | $560.13 | $560.13 |
| REDDING (CA) | $560.13 | $560.13 |
| RIVERSIDE-SAN BERNARDINO-ONTARIO (CA) | $578.93 | $578.93 |
| SACRAMENTO-ROSEVILLE-FOLSOM (CA) | $585.05 | $585.05 |
| SALINAS (CA) | $582.90 | $582.90 |
| SAN JOSE-SUNNYVALE-SANTA CLARA (SAN BENITO CNTY) (CA) | $687.93 | $687.93 |
| SANTA CRUZ-WATSONVILLE (CA) | $599.29 | $599.29 |
| SANTA ROSA-PETALUMA (CA) | $605.03 | $605.03 |
| STOCKTON (CA) | $560.13 | $560.13 |
| VISALIA (CA) | $560.13 | $560.13 |
| YUBA CITY (CA) | $560.13 | $560.13 |
| EL CENTRO (CA) | $560.42 | $560.42 |
| SAN DIEGO-CHULA VISTA-CARLSBAD (CA) | $595.04 | $595.04 |
| SAN LUIS OBISPO-PASO ROBLES (CA) | $574.03 | $574.03 |
| SANTA MARIA-SANTA BARBARA (CA) | $584.65 | $584.65 |
| REST OF CALIFORNIA (CA) | $560.13 | $560.13 |
| COLORADO (CO) | $563.33 | $563.33 |
| CONNECTICUT (CT) | $594.12 | $594.12 |
| DC + MD/VA SUBURBS (DC) | $626.90 | $626.90 |
| DELAWARE (DE) | $544.49 | $544.49 |
| FORT LAUDERDALE (FL) | $605.15 | $605.15 |
| MIAMI (FL) | $656.59 | $656.59 |
| REST OF FLORIDA (FL) | $568.80 | $568.80 |
| ATLANTA (GA) | $570.96 | $570.96 |
| REST OF GEORGIA (GA) | $529.82 | $529.82 |
| HAWAII, GUAM (HI) | $573.00 | $573.00 |
| IOWA (IA) | $490.52 | $490.52 |
| IDAHO (ID) | $496.61 | $496.61 |
| EAST ST. LOUIS (IL) | $587.20 | $587.20 |
| SUBURBAN CHICAGO (IL) | $608.76 | $608.76 |
| CHICAGO (IL) | $632.40 | $632.40 |
| REST OF ILLINOIS (IL) | $558.42 | $558.42 |
| INDIANA (IN) | $499.63 | $499.63 |
| KANSAS (KS) | $493.26 | $493.26 |
| KENTUCKY (KY) | $512.57 | $512.57 |
| NEW ORLEANS (LA) | $542.37 | $542.37 |
| REST OF LOUISIANA (LA) | $513.80 | $513.80 |
| METROPOLITAN BOSTON (MA) | $616.74 | $616.74 |
| REST OF MASSACHUSETTS (MA) | $561.40 | $561.40 |
| BALTIMORE/SURR. CNTYS (MD) | $593.73 | $593.73 |
| REST OF MARYLAND (MD) | $554.23 | $554.23 |
| SOUTHERN MAINE (ME) | $528.85 | $528.85 |
| REST OF MAINE (ME) | $505.37 | $505.37 |
| DETROIT (MI) | $582.46 | $582.46 |
| REST OF MICHIGAN (MI) | $532.91 | $532.91 |
| MINNESOTA (MN) | $521.44 | $521.44 |
| METROPOLITAN ST. LOUIS (MO) | $538.05 | $538.05 |
| METROPOLITAN KANSAS CITY (MO) | $532.38 | $532.38 |
| REST OF MISSOURI (MO) | $507.31 | $507.31 |
| MISSISSIPPI (MS) | $493.17 | $493.17 |
| MONTANA** (MT) | $553.34 | $553.34 |
| NORTH CAROLINA (NC) | $510.57 | $510.57 |
| NORTH DAKOTA** (ND) | $518.53 | $518.53 |
| NEBRASKA (NE) | $491.99 | $491.99 |
| NEW HAMPSHIRE (NH) | $559.36 | $559.36 |
| NORTHERN NJ (NJ) | $619.98 | $619.98 |
| REST OF NEW JERSEY (NJ) | $595.75 | $595.75 |
| NEW MEXICO (NM) | $538.43 | $538.43 |
| NEVADA** (NV) | $543.96 | $543.96 |
| MANHATTAN (NY) | $651.25 | $651.25 |
| NYC SUBURBS/LONG ISLAND (NY) | $675.91 | $675.91 |
| POUGHKPSIE/N NYC SUBURBS (NY) | $604.22 | $604.22 |
| QUEENS (NY) | $649.25 | $649.25 |
| REST OF NEW YORK (NY) | $519.83 | $519.83 |
| OHIO (OH) | $525.79 | $525.79 |
| OKLAHOMA (OK) | $505.75 | $505.75 |
| PORTLAND (OR) | $577.03 | $577.03 |
| REST OF OREGON (OR) | $534.70 | $534.70 |
| METROPOLITAN PHILADELPHIA (PA) | $581.14 | $581.14 |
| REST OF PENNSYLVANIA (PA) | $523.71 | $523.71 |
| PUERTO RICO (PR) | $556.13 | $556.13 |
| RHODE ISLAND (RI) | $561.03 | $561.03 |
| SOUTH CAROLINA (SC) | $520.06 | $520.06 |
| SOUTH DAKOTA** (SD) | $514.42 | $514.42 |
| TENNESSEE (TN) | $496.81 | $496.81 |
| BRAZORIA (TX) | $538.98 | $538.98 |
| DALLAS (TX) | $545.35 | $545.35 |
| GALVESTON (TX) | $542.45 | $542.45 |
| HOUSTON (TX) | $574.66 | $574.66 |
| BEAUMONT (TX) | $520.18 | $520.18 |
| FORT WORTH (TX) | $542.89 | $542.89 |
| AUSTIN (TX) | $565.85 | $565.85 |
| REST OF TEXAS (TX) | $531.26 | $531.26 |
| UTAH (UT) | $528.06 | $528.06 |
| VIRGINIA (VA) | $530.67 | $530.67 |
| VIRGIN ISLANDS (VI) | $556.13 | $556.13 |
| VERMONT (VT) | $521.18 | $521.18 |
| SEATTLE (KING CNTY) (WA) | $624.66 | $624.66 |
| REST OF WASHINGTON (WA) | $558.77 | $558.77 |
| WISCONSIN (WI) | $499.19 | $499.19 |
| WEST VIRGINIA (WV) | $536.43 | $536.43 |
| WYOMING** (WY) | $538.17 | $538.17 |
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Maximum units per day (MUE)
Medicare’s Medically Unlikely Edit caps this code at 1 unit per patient per day — Date of Service Edit: Policy. Units above the MUE are denied; some MUEs can be exceeded only with appropriate documentation and modifiers where policy allows.
How the amount is calculated
Medicare's PFS payment is built from three Relative Value Units (RVUs) assigned to the code: physician work, practice expense, and malpractice. Each RVU component is multiplied by a corresponding Geographic Practice Cost Index (GPCI) for the locality where the service is performed, reflecting regional cost differences. The adjusted RVUs are summed and multiplied by the annual national conversion factor (a dollar-per-RVU rate set by CMS) to produce the allowed amount. Non-facility (e.g., office) and facility (e.g., hospital) settings often use different practice-expense RVUs because overhead costs differ, though for some codes these values are the same.
RVUs — work 5.13, practice expense 9.68 (non-facility) / 9.68 (facility), malpractice 1.76 — × the locality GPCIs × the 2026 conversion factor of $33.40.
Good to know
- This is an estimate only, not a guarantee of payment.
- Medicare typically pays 80% of the approved amount after the annual Part B deductible is met; the patient or secondary payer is responsible for the remainder.
- Actual payment can vary by locality GPCI values, applicable modifiers, sequestration reductions, and annual budget-neutrality adjustments.
- Always verify current rates and coverage rules with your Medicare Administrative Contractor (MAC) before billing or appealing a denial.
Frequently asked
Why does the allowed amount change by locality?
Each locality has its own GPCI values for work, practice expense, and malpractice, which adjust the RVUs to reflect local cost-of-living and practice cost differences before the conversion factor is applied.
Why might the facility and non-facility amounts be the same for this code?
Some codes have identical practice-expense RVUs across settings because CMS determines there is no meaningful difference in overhead costs between performing the service in a facility versus a non-facility setting.
Does this figure reflect what Medicare will actually pay?
No. It reflects the Medicare-approved amount before the patient's deductible and 20% coinsurance are applied, and it does not account for modifiers, secondary payers, or claim-specific adjustments.
Where can I find the official CPT descriptor for this code?
CPT code descriptors are copyrighted by the American Medical Association. Refer to your AMA CPT codebook or licensed coding software for the official language.
More free billing tools: all Medicare fees · fee calculator · denial code decoder
Estimated Medicare Physician Fee Schedule amount. Medicare generally pays 80% after the deductible; actual amounts vary by locality, modifiers, sequestration, and annual updates. Verify with your MAC.
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