Test for detection of infectious agent antibody, qualitative or semiquantitative
Medicare pricing data for 2,137 providers across 36 states
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
Test for detection of infectious agent antibody, qualitative or semiquantitative (HCPCS code 86318) is a medical procedure billed to Medicare. The average Medicare-allowed cost is $17.59, but hospitals typically charge $53.72 — a 3.1x 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 $17.59, your out-of-pocket cost would be approximately $3.52. 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 3.1x more than what Medicare allows for this procedure. Medicare actually pays $17.59 on average.
Cost by State
Medicare-allowed amounts vary significantly by state
| State | Allowed Cost | Hospital Charge | Providers | Services | vs. National |
|---|---|---|---|---|---|
| Indiana | $18 | $35 | 60 | 134 | +0.8% |
| Minnesota | $18 | $45 | 7 | 12 | +0.8% |
| Missouri | $18 | $97 | 75 | 198 | +0.8% |
| Montana | $18 | $34 | 11 | 25 | +0.8% |
| Nebraska | $18 | $49 | 6 | 13 | +0.8% |
| New Jersey | $18 | $217 | 4 | 87 | +0.8% |
| New Mexico | $18 | $34 | 14 | 82 | +0.8% |
| Utah | $18 | $34 | 21 | 27 | +0.8% |
| Virginia | $18 | $48 | 34 | 95 | +0.8% |
| Washington | $18 | $39 | 7 | 35 | +0.8% |
| Wisconsin | $18 | $62 | 9 | 19 | +0.8% |
| Colorado | $18 | $36 | 14 | 57 | +0.8% |
| West Virginia | $18 | $50 | 8 | 19 | +0.7% |
| California | $18 | $55 | 53 | 3,753 | +0.7% |
| Illinois | $18 | $70 | 91 | 542 | +0.6% |
| Pennsylvania | $18 | $28 | 7 | 45 | +0.4% |
| Oklahoma | $18 | $44 | 56 | 129 | +0.2% |
| North Carolina | $18 | $48 | 133 | 445 | +0.2% |
| Mississippi | $18 | $50 | 225 | 786 | +0.1% |
| Texas | $18 | $96 | 191 | 596 | +0.1% |
| Georgia | $18 | $53 | 179 | 412 | -0.1% |
| Louisiana | $18 | $41 | 112 | 519 | -0.3% |
| Arkansas | $18 | $35 | 190 | 678 | -0.5% |
| Alabama | $17 | $31 | 191 | 712 | -0.7% |
| Kentucky | $17 | $34 | 34 | 165 | -0.9% |
| South Carolina | $17 | $49 | 70 | 161 | -0.9% |
| Florida | $17 | $50 | 56 | 226 | -1.2% |
| Idaho | $17 | $32 | 28 | 49 | -1.3% |
| Iowa | $17 | $73 | 17 | 26 | -1.4% |
| Tennessee | $17 | $45 | 73 | 187 | -1.8% |
| Oregon | $17 | $31 | 25 | 52 | -2.0% |
| Michigan | $17 | $34 | 14 | 44 | -3.6% |
| Kansas | $17 | $50 | 39 | 77 | -3.8% |
| New York | $17 | $48 | 29 | 231 | -3.8% |
| Ohio | $16 | $40 | 16 | 39 | -9.1% |
| Maryland | $16 | $33 | 5 | 12 | -9.9% |
⚠️ Important: These costs reflect the Medicare physician/supplier component. Hospital facility fees may be billed separately. Total out-of-pocket costs may be higher.
💊 Need post-procedure medications? Check costs on OpenPrescriber