Antithrombin iii antigen (clotting inhibitor) activity
Medicare pricing data for 257 providers across 34 states
This procedure has a 16.6x markup — hospitals charge $192.86 but Medicare allows only $11.59. Uninsured patients may face bills 16.6 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
Antithrombin iii antigen (clotting inhibitor) activity (HCPCS code 85300) is a medical procedure billed to Medicare. The average Medicare-allowed cost is $11.59, but hospitals typically charge $192.86 — a 16.6x 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 $11.59, your out-of-pocket cost would be approximately $2.32. 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 16.6x more than what Medicare allows for this procedure. Medicare actually pays $11.59 on average.
Cost by State
Medicare-allowed amounts vary significantly by state
| State | Allowed Cost | Hospital Charge | Providers | Services | vs. National |
|---|---|---|---|---|---|
| Georgia | $12 | $283 | 1 | 554 | +0.2% |
| Illinois | $12 | $264 | 6 | 194 | +0.2% |
| Indiana | $12 | $105 | 2 | 14 | +0.2% |
| Iowa | $12 | $86 | 2 | 31 | +0.2% |
| Kentucky | $12 | $47 | 2 | 16 | +0.2% |
| Louisiana | $12 | $205 | 3 | 21 | +0.2% |
| Massachusetts | $12 | $275 | 4 | 262 | +0.2% |
| Minnesota | $12 | $150 | 30 | 314 | +0.2% |
| Nevada | $12 | $281 | 2 | 147 | +0.2% |
| New Mexico | $12 | $194 | 1 | 51 | +0.2% |
| Oklahoma | $12 | $214 | 3 | 85 | +0.2% |
| Oregon | $12 | $95 | 4 | 40 | +0.2% |
| Pennsylvania | $12 | $240 | 7 | 170 | +0.2% |
| South Dakota | $12 | $114 | 3 | 17 | +0.2% |
| Tennessee | $12 | $82 | 4 | 148 | +0.2% |
| Utah | $12 | $57 | 3 | 24 | +0.2% |
| Puerto Rico | $12 | $12 | 12 | 25 | +0.2% |
| Alabama | $12 | $157 | 4 | 117 | +0.2% |
| Florida | $12 | $270 | 9 | 1,196 | +0.1% |
| North Carolina | $12 | $192 | 9 | 2,250 | +0.1% |
| California | $12 | $213 | 23 | 1,383 | +0.1% |
| Kansas | $12 | $244 | 5 | 252 | 0.0% |
| New Jersey | $12 | $182 | 22 | 2,992 | 0.0% |
| New York | $12 | $216 | 18 | 518 | 0.0% |
| Arizona | $12 | $192 | 6 | 1,711 | 0.0% |
| Colorado | $12 | $165 | 4 | 368 | 0.0% |
| Maryland | $12 | $242 | 4 | 249 | -0.2% |
| Texas | $12 | $127 | 13 | 1,801 | -0.2% |
| Wisconsin | $12 | $166 | 7 | 117 | -0.5% |
| Ohio | $11 | $112 | 9 | 173 | -0.9% |
| Virginia | $11 | $45 | 5 | 100 | -1.6% |
| Washington | $11 | $170 | 5 | 101 | -1.7% |
| Hawaii | $11 | $90 | 2 | 51 | -2.2% |
| North Dakota | $11 | $70 | 4 | 11 | -9.0% |
⚠️ 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