Measurement of substance using immunoassay technique, by radioimmunoassay
Medicare pricing data for 337 providers across 42 states
This procedure has a 17.5x markup — hospitals charge $315.66 but Medicare allows only $18.01. Uninsured patients may face bills 17.5 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, by radioimmunoassay (HCPCS code 83519) is a medical procedure billed to Medicare. The average Medicare-allowed cost is $18.01, but hospitals typically charge $315.66 — a 17.5x 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 $18.01, your out-of-pocket cost would be approximately $3.60. 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 17.5x more than what Medicare allows for this procedure. Medicare actually pays $18.01 on average.
Cost by State
Medicare-allowed amounts vary significantly by state
| State | Allowed Cost | Hospital Charge | Providers | Services | vs. National |
|---|---|---|---|---|---|
| Georgia | $18 | $379 | 3 | 4,892 | +0.1% |
| Idaho | $18 | $85 | 3 | 22 | +0.1% |
| Illinois | $18 | $383 | 12 | 2,080 | +0.1% |
| Maine | $18 | $472 | 2 | 41 | +0.1% |
| Mississippi | $18 | $230 | 8 | 37 | +0.1% |
| New Hampshire | $18 | $53 | 6 | 26 | +0.1% |
| New Mexico | $18 | $275 | 1 | 300 | +0.1% |
| North Dakota | $18 | $110 | 5 | 33 | +0.1% |
| Rhode Island | $18 | $35 | 1 | 15 | +0.1% |
| South Dakota | $18 | $199 | 5 | 66 | +0.1% |
| Utah | $18 | $100 | 5 | 328 | +0.1% |
| Alabama | $18 | $527 | 5 | 653 | +0.1% |
| Arkansas | $18 | $50 | 9 | 17 | +0.1% |
| Colorado | $18 | $350 | 5 | 791 | +0.1% |
| Connecticut | $18 | $320 | 2 | 40 | +0.1% |
| Florida | $18 | $362 | 13 | 12,969 | +0.1% |
| Massachusetts | $18 | $96 | 12 | 18,983 | +0.1% |
| Nevada | $18 | $405 | 2 | 1,369 | +0.1% |
| New Jersey | $18 | $380 | 13 | 10,073 | +0.1% |
| New York | $18 | $240 | 9 | 3,895 | 0.0% |
| North Carolina | $18 | $487 | 13 | 15,677 | 0.0% |
| Texas | $18 | $332 | 27 | 6,300 | 0.0% |
| California | $18 | $315 | 39 | 13,503 | 0.0% |
| Kansas | $18 | $386 | 6 | 2,556 | -0.1% |
| Maryland | $18 | $328 | 5 | 1,448 | -0.1% |
| Pennsylvania | $18 | $365 | 8 | 1,200 | -0.1% |
| Washington | $18 | $404 | 8 | 844 | -0.1% |
| Arizona | $18 | $288 | 4 | 3,110 | -0.1% |
| Ohio | $18 | $260 | 12 | 1,366 | -0.2% |
| Hawaii | $18 | $219 | 2 | 348 | -0.3% |
| Oklahoma | $18 | $332 | 4 | 576 | -0.3% |
| Minnesota | $18 | $291 | 9 | 1,212 | -0.3% |
| Virginia | $18 | $247 | 8 | 1,447 | -0.4% |
| Tennessee | $18 | $400 | 4 | 389 | -0.6% |
| Wisconsin | $18 | $181 | 6 | 497 | -0.6% |
| Puerto Rico | $18 | $18 | 15 | 61 | -0.7% |
| Kentucky | $18 | $92 | 4 | 160 | -0.8% |
| Indiana | $18 | $224 | 3 | 235 | -0.9% |
| Michigan | $18 | $144 | 8 | 146 | -1.1% |
| South Carolina | $18 | $275 | 7 | 62 | -1.3% |
| Iowa | $18 | $337 | 6 | 220 | -1.8% |
| Oregon | $18 | $87 | 5 | 291 | -1.9% |
⚠️ Important: These costs reflect the Medicare physician/supplier component. Hospital facility fees may be billed separately. Total out-of-pocket costs may be higher.
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