Measurement of substance using immunoassay technique
Medicare pricing data for 796 providers across 46 states
This procedure has a 6.8x markup — hospitals charge $114.48 but Medicare allows only $16.83. Uninsured patients may face bills 6.8 times higher than what insurance negotiates. Note: These costs reflect the Medicare physician/supplier component. Hospital facility fees are billed separately and can be 2-5x the physician fee.
💡 What You Should Know
Measurement of substance using immunoassay technique (HCPCS code 83520) is a medical procedure billed to Medicare. The average Medicare-allowed cost is $16.83, but hospitals typically charge $114.48 — a 6.8x markup. Prices vary significantly by state and provider.
🏷️ Typical Out-of-Pocket Cost
Medicare patients typically pay about 20% of the allowed amount as coinsurance. Based on the average allowed cost of $16.83, your out-of-pocket cost would be approximately $3.37. Actual costs depend on your specific plan, deductible, and whether you've met your annual out-of-pocket maximum.
What Hospitals Charge vs. What Medicare Pays
Hospitals charge 6.8x more than what Medicare allows for this procedure. Medicare actually pays $16.83 on average.
Cost by State
Medicare-allowed amounts vary significantly by state
| State | Allowed Cost | Hospital Charge | Providers | Services | vs. National |
|---|---|---|---|---|---|
| Illinois | $17 | $137 | 16 | 8,067 | +0.6% |
| Delaware | $17 | $167 | 3 | 155 | +0.5% |
| Kentucky | $17 | $66 | 3 | 29 | +0.5% |
| Maine | $17 | $186 | 2 | 117 | +0.5% |
| New Hampshire | $17 | $144 | 4 | 26 | +0.5% |
| New Mexico | $17 | $156 | 7 | 125 | +0.5% |
| North Dakota | $17 | $44 | 8 | 4,284 | +0.5% |
| Ohio | $17 | $84 | 14 | 19,285 | +0.5% |
| Rhode Island | $17 | $42 | 1 | 374 | +0.5% |
| Tennessee | $17 | $173 | 8 | 795 | +0.5% |
| Wyoming | $17 | $70 | 2 | 230 | +0.5% |
| Connecticut | $17 | $191 | 3 | 31 | +0.5% |
| Florida | $17 | $131 | 32 | 46,036 | +0.5% |
| New Jersey | $17 | $109 | 25 | 44,941 | +0.5% |
| Oklahoma | $17 | $145 | 7 | 1,799 | +0.5% |
| Pennsylvania | $17 | $116 | 17 | 3,439 | +0.5% |
| Texas | $17 | $76 | 47 | 43,448 | +0.5% |
| Colorado | $17 | $142 | 8 | 2,273 | +0.5% |
| Kansas | $17 | $156 | 11 | 5,767 | +0.4% |
| Nevada | $17 | $153 | 3 | 3,825 | +0.4% |
| North Carolina | $17 | $145 | 20 | 31,462 | +0.4% |
| Georgia | $17 | $122 | 15 | 20,902 | +0.4% |
| Maryland | $17 | $154 | 47 | 10,296 | +0.4% |
| Minnesota | $17 | $144 | 38 | 4,274 | +0.4% |
| Alabama | $17 | $152 | 14 | 2,338 | +0.4% |
| Arkansas | $17 | $44 | 21 | 4,565 | +0.4% |
| Oregon | $17 | $137 | 23 | 2,855 | +0.2% |
| Indiana | $17 | $94 | 13 | 642 | +0.2% |
| Iowa | $17 | $84 | 12 | 1,153 | +0.2% |
| Massachusetts | $17 | $94 | 18 | 26,592 | +0.2% |
| Virginia | $17 | $158 | 47 | 13,964 | +0.1% |
| Washington | $17 | $142 | 14 | 3,187 | +0.1% |
| Arizona | $17 | $115 | 8 | 8,770 | +0.1% |
| South Carolina | $17 | $99 | 7 | 136 | -0.1% |
| Utah | $17 | $67 | 16 | 590 | -0.1% |
| Puerto Rico | $17 | $20 | 34 | 167 | -0.1% |
| Hawaii | $17 | $143 | 2 | 544 | -0.2% |
| South Dakota | $17 | $120 | 5 | 99 | -0.4% |
| Idaho | $17 | $92 | 13 | 419 | -0.6% |
| Missouri | $17 | $78 | 22 | 5,994 | -0.6% |
| Wisconsin | $17 | $153 | 9 | 694 | -1.0% |
| California | $17 | $102 | 82 | 53,715 | -1.1% |
| Michigan | $17 | $127 | 9 | 139 | -1.7% |
| New York | $16 | $158 | 66 | 14,683 | -3.7% |
| Louisiana | $15 | $130 | 6 | 59 | -11.4% |
| Mississippi | $14 | $110 | 9 | 66 | -14.3% |
⚠️ Important: These costs reflect the Medicare physician/supplier component. Hospital facility fees may be billed separately. Total out-of-pocket costs may be higher.
💊 Need post-procedure medications? Check costs on OpenPrescriber