Assay of silica cost at US hospitals
Assay of silica · CPT 84285
$7.28
lowest cash price
$113.10
national median
$581.75
highest cash price
147
hospitals with a published cash price
Middle half of hospitals (25th–75th percentile) against the full range. The same procedure varies $7.28–$581.75 — the variation is the story.
Median cash price over time
Sep 1, 2025 ($74.95) → Sep 1, 2026 ($25.21)
By state
| State | Hospitals | Lowest cash | Median | Highest |
|---|---|---|---|---|
| Alaska | 2 | not published by hospital | not published by hospital | not published by hospital |
| California | 62 | $7.28 | $190.84 | $239.12 |
| Colorado | 13 | not published by hospital | not published by hospital | not published by hospital |
| Florida | 71 | $114.40 | $114.40 | $170.30 |
| Georgia | 23 | not published by hospital | not published by hospital | not published by hospital |
| Hawaii | 1 | $143.25 | $143.25 | $143.25 |
| Illinois | 39 | $64.00 | $142.10 | $199.10 |
| Indiana | 25 | not published by hospital | not published by hospital | not published by hospital |
| Iowa | 12 | $64.00 | $64.00 | $64.00 |
| Kansas | 10 | not published by hospital | not published by hospital | not published by hospital |
| Kentucky | 4 | $59.40 | $59.40 | $139.20 |
| Louisiana | 6 | not published by hospital | not published by hospital | not published by hospital |
| Maine | 7 | $53.25 | $74.95 | $244.30 |
| Michigan | 26 | $12.22 | $34.79 | $34.79 |
| Minnesota | 2 | not published by hospital | not published by hospital | not published by hospital |
| Missouri | 14 | not published by hospital | not published by hospital | not published by hospital |
| Montana | 2 | not published by hospital | not published by hospital | not published by hospital |
| New Hampshire | 1 | $261.65 | $261.65 | $261.65 |
| New Jersey | 21 | $25.21 | $27.73 | $27.73 |
| New Mexico | 3 | not published by hospital | not published by hospital | not published by hospital |
| New York | 18 | $25.21 | $25.21 | $25.21 |
| North Carolina | 14 | not published by hospital | not published by hospital | not published by hospital |
| North Dakota | 2 | not published by hospital | not published by hospital | not published by hospital |
| Ohio | 46 | $113.10 | $354.25 | $581.75 |
| Oklahoma | 9 | not published by hospital | not published by hospital | not published by hospital |
| Oregon | 8 | not published by hospital | not published by hospital | not published by hospital |
| Pennsylvania | 3 | $178.20 | $194.40 | $266.40 |
| South Carolina | 9 | not published by hospital | not published by hospital | not published by hospital |
| South Dakota | 2 | not published by hospital | not published by hospital | not published by hospital |
| Tennessee | 23 | not published by hospital | not published by hospital | not published by hospital |
| Texas | 84 | not published by hospital | not published by hospital | not published by hospital |
| Virginia | 26 | $235.50 | $235.50 | $235.50 |
| Washington | 23 | $67.32 | $67.32 | $113.60 |
| West Virginia | 1 | $143.50 | $143.50 | $143.50 |
| Wisconsin | 30 | not published by hospital | not published by hospital | not published by hospital |
All hospitals
| Hospital | Location | Cash price | Negotiated range |
|---|---|---|---|
| Corewell Health Big Rapids | Big Rapids, MI | not published | $22.69 – $45.38 |
| SSM Health St. Mary's Hospital - Janesville | Janesville, WI | not published | $18.91 – $187.21 |
| SSM Health St. Clare Hospital - Baraboo | Baraboo, WI | not published | $18.91 – $234.04 |
| Wellstar MCG Health | Augusta, GA | not published | $25.21 – $73.54 |
| Wellstar Kennestone Hospital | Marietta, GA | not published | $25.21 – $46.64 |
| CHRISTUS Children's Hospital | San Antonio, TX | not published | $21.97 – $87.51 |
| Wellstar Douglas Hospital | Douglasville, GA | not published | $25.21 – $46.64 |
| Wellstar Cobb Hospital | Austell, GA | not published | $25.21 – $46.64 |
| MercyOne Genesis Aledo Medical Center | Aledo, IL | not published | $25.21 – $28.99 |
| Adventhealth Rollins Brook | Lampasas, TX | not published | $22.69 – $97.06 |
| Adventhealth Daytona Beach | Daytona Beach, FL | not published | $23.95 – $42.08 |
| MercyOne Genesis Silvis Medical Center | Silvis, IL | not published | $9.87 – $9.87 |
| CHRISTUS St. Vincent Regional Medical Center | Santa Fe, NM | not published | $25.21 – $50.42 |
| CHRISTUS St. Francis Cabrini Hospital | Alexandria, LA | not published | $24.71 – $143.95 |
| CHRISTUS Shreveport-Bossier Health System-Highland | Shreveport, LA | not published | $24.71 – $145.42 |
| CHRISTUS Ochsner St. Patrick Hospital | Lake Charles, LA | not published | $24.71 – $136.78 |
| CHRISTUS Ochsner Lake Area Hospital | Lake Charles, LA | not published | $24.71 – $139.52 |
| CHRISTUS Louisiana Surgical Hospital | Alexandria, LA | not published | $12.61 – $59.24 |
| CHRISTUS Coushatta Health Care Center | Coushatta, LA | not published | $25.21 – $77.10 |
| Westside Medical Center | HILLSBORO, OR | not published | $31.00 – $31.00 |
| Sunnyside Medical Center | CLACKAMAS, OR | not published | $31.00 – $31.00 |
| Providence Holy Cross Medical Center | Mission Hills, CA | not published | $25.21 – $62.84 |
| Providence St Peter Hospital | Olympia, WA | not published | $21.43 – $141.18 |
| Providence Holy Family Hospital | Spokane, WA | not published | $25.21 – $107.60 |
| Uchicago Medicine Adventhealth Glenoaks | Glendale Heights, IL | not published | $24.60 – $40.84 |
| SSM Health Cardinal Glennon Children's Hospital | Saint Louis, MO | not published | $25.21 – $49.31 |
| AdventHealth Parker | Parker, CO | not published | $24.71 – $46.64 |
| CENTERPOINT MEDICAL CENTER | Independence, MO | not published | $10.48 – $52.03 |
| Adventhealth Ocala | Ocala, FL | not published | $25.21 – $55.97 |
| Adventhealth Manchester | Manchester, KY | not published | $25.21 – $25.21 |
| Ascension Saint Thomas Hickman | Centerville, TN | not published | $22.69 – $91.42 |
| Adventhealth Fish Memorial | Orange City, FL | not published | $23.95 – $47.98 |
| Adventhealth Dade City | Dade City, FL | not published | $25.21 – $57.14 |
| Dell Seton Medical Center at The University of Texas (Ascension Seton) | Austin, TX | not published | $18.25 – $175.05 |
| Providence Regional Medical Center Everett - Colby Campus | Everett, WA | not published | $25.21 – $105.88 |
| HCA FLORIDA PASADENA HOSPITAL | South Pasadena, FL | not published | $22.85 – $61.70 |
| Dell Children's Medical Center (Ascension Seton) | Austin, TX | not published | $18.25 – $175.05 |
| Ascension Via Christi Hospital Manhattan, Inc | Manhattan, KS | not published | $10.48 – $104.48 |
| Ascension Seton Smithville (Ascension Seton) | Smithville, TX | not published | $18.25 – $175.05 |
| Ascension Calumet Hospital, Inc. | Chilton, WI | not published | $26.47 – $97.31 |
| Providence St Vincent Medical Center | Portland, OR | not published | $24.81 – $50.42 |
| SSM Health St. Anthony Hospital - Oklahoma City | Oklahoma City, OK | not published | $25.21 – $53.95 |
| Providence Centralia Hospital | Centralia, WA | not published | $25.21 – $157.06 |
| Ascension St. Vincent Warrick (St. Mary's Warrick Hospital, Inc.) | Boonville, IN | not published | $10.58 – $83.19 |
| SSM Health St. Mary's Hospital - Jefferson City | Jefferson City, MO | not published | $22.69 – $45.38 |
| Adventhealth South Overland Park | Overland Park, KS | not published | $10.59 – $73.11 |
| Adventhealth Murray | Po Box 1406, GA | not published | $25.21 – $49.97 |
| Ascension St. Vincent Williamsport (St. Vincent Williamsport Hospital, Inc.) | Williamsport, IN | not published | $10.58 – $57.48 |
| Ascension NE Wisconsin - St. Elizabeth Campus (Ascension NE Wisconsin, Inc.) | Appleton, WI | not published | $25.21 – $97.31 |
| Ascension Seton Northwest (Ascension Seton) | Austin, TX | not published | $18.25 – $175.05 |