Replacement of knee joint, both sides of knee
Medicare pricing data for 20,971 providers across 52 states
This procedure has a 5.7x markup — hospitals charge $7,874 but Medicare allows only $1,374. Uninsured patients may face bills 5.7 times higher than what insurance negotiates. Prices vary significantly by location — from $674 in South Dakota to $2,641 in Mississippi. Where you get this procedure matters more than almost any other factor. 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
Replacement of knee joint, both sides of knee (HCPCS code 27447) is a medical procedure billed to Medicare. The average Medicare-allowed cost is $1,374, but hospitals typically charge $7,874 — a 5.7x 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 $1,374, your out-of-pocket cost would be approximately $274.81. 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 5.7x more than what Medicare allows for this procedure. Medicare actually pays $1,093 on average.
Cost by State
Medicare-allowed amounts vary significantly by state
| State | Allowed Cost | Hospital Charge | Providers | Services | vs. National |
|---|---|---|---|---|---|
| Mississippi | $2,641 | $12,559 | 134 | 6,953 | +92.2% |
| Hawaii | $2,306 | $6,950 | 33 | 654 | +67.8% |
| Oregon | $1,892 | $8,758 | 296 | 6,957 | +37.7% |
| Maryland | $1,859 | $11,925 | 425 | 13,413 | +35.3% |
| Georgia | $1,833 | $9,887 | 587 | 15,868 | +33.4% |
| Nevada | $1,813 | $9,128 | 176 | 4,592 | +31.9% |
| Tennessee | $1,794 | $8,313 | 443 | 13,859 | +30.6% |
| Michigan | $1,775 | $9,051 | 696 | 13,725 | +29.2% |
| Alaska | $1,634 | $13,406 | 77 | 1,744 | +18.9% |
| New Hampshire | $1,622 | $12,567 | 147 | 4,220 | +18.0% |
| Minnesota | $1,603 | $8,238 | 528 | 9,337 | +16.7% |
| Arizona | $1,586 | $8,592 | 451 | 13,934 | +15.4% |
| Puerto Rico | $1,574 | $2,346 | 40 | 200 | +14.6% |
| Ohio | $1,559 | $8,276 | 862 | 23,561 | +13.4% |
| Connecticut | $1,544 | $8,613 | 347 | 5,677 | +12.4% |
| New Mexico | $1,541 | $5,392 | 107 | 2,886 | +12.2% |
| Florida | $1,524 | $9,381 | 1,373 | 40,415 | +10.9% |
| Washington | $1,470 | $5,579 | 544 | 13,325 | +6.9% |
| Rhode Island | $1,449 | $6,675 | 79 | 1,834 | +5.5% |
| Missouri | $1,437 | $8,512 | 406 | 11,536 | +4.6% |
| Virginia | $1,436 | $6,785 | 458 | 18,066 | +4.5% |
| California | $1,424 | $6,690 | 1,578 | 39,073 | +3.6% |
| Indiana | $1,415 | $10,211 | 518 | 16,092 | +3.0% |
| South Carolina | $1,351 | $7,313 | 320 | 13,070 | -1.6% |
| North Dakota | $1,337 | $6,172 | 82 | 2,612 | -2.7% |
| Montana | $1,334 | $5,069 | 139 | 4,439 | -2.9% |
| Utah | $1,329 | $5,603 | 258 | 6,513 | -3.3% |
| New York | $1,324 | $11,311 | 1,101 | 21,518 | -3.6% |
| Kentucky | $1,324 | $7,174 | 264 | 7,053 | -3.7% |
| Wyoming | $1,320 | $8,479 | 80 | 1,754 | -3.9% |
| New Jersey | $1,306 | $13,558 | 537 | 14,433 | -5.0% |
| Colorado | $1,300 | $6,631 | 445 | 11,770 | -5.4% |
| West Virginia | $1,297 | $5,646 | 132 | 2,767 | -5.6% |
| Illinois | $1,239 | $9,696 | 789 | 24,214 | -9.8% |
| North Carolina | $1,230 | $5,479 | 709 | 20,144 | -10.5% |
| Wisconsin | $1,198 | $12,888 | 541 | 10,668 | -12.8% |
| District of Columbia | $1,186 | $6,372 | 30 | 657 | -13.7% |
| Texas | $1,154 | $6,499 | 1,360 | 34,363 | -16.0% |
| Pennsylvania | $1,151 | $6,214 | 954 | 25,231 | -16.3% |
| Louisiana | $1,096 | $5,526 | 310 | 7,208 | -20.2% |
| Iowa | $1,096 | $5,146 | 238 | 9,199 | -20.3% |
| Massachusetts | $1,003 | $6,588 | 499 | 13,376 | -27.0% |
| Delaware | $1,002 | $6,007 | 76 | 3,362 | -27.1% |
| Maine | $940 | $3,228 | 105 | 2,274 | -31.6% |
| Arkansas | $928 | $3,946 | 168 | 6,158 | -32.5% |
| Oklahoma | $920 | $3,199 | 248 | 8,776 | -33.1% |
| Alabama | $899 | $5,173 | 392 | 7,804 | -34.6% |
| Idaho | $825 | $4,464 | 164 | 4,326 | -40.0% |
| Kansas | $801 | $4,178 | 264 | 10,715 | -41.7% |
| Nebraska | $767 | $5,116 | 207 | 6,990 | -44.2% |
| Vermont | $724 | $4,259 | 53 | 1,083 | -47.3% |
| South Dakota | $674 | $3,410 | 126 | 4,352 | -51.0% |
⚠️ Important: These costs reflect the Medicare physician/supplier component. Hospital facility fees may be billed separately. Total out-of-pocket costs may be higher.
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