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 Taylor | Taylor, MI | not published | $23.45 – $34.03 |
| Sentara Princess Anne Hospital | Virginia Beach, VA | not published | $25.21 – $168.64 |
| Corewell Health Gross Pointe | Grosse Pointe, MI | not published | $4.54 – $34.03 |
| Henry Ford Madison Heights Hospital | Madison Heights, MI | not published | $3.30 – $25.66 |
| Corewell Health Zeeland | Zeeland, MI | not published | $22.69 – $45.38 |
| Corewell Health Greenville | Greenville, MI | not published | $23.95 – $45.38 |
| Sentara Virginia Beach General Hospital | Virginia Beach, VA | not published | $25.21 – $168.64 |
| Sentara Leigh Hospital | Norfolk, VA | not published | $25.21 – $168.64 |
| Ascension Saint Thomas DeKalb | Smithville, TN | not published | $16.51 – $91.42 |
| Sentara Halifax Regional Hospital | South Boston, VA | not published | $21.93 – $26.47 |
| Sentara RMH Medical Center | Harrisonburg, VA | not published | $25.71 – $47.09 |
| Sentara Martha Jefferson Hospital | Charlottesville, VA | not published | $25.71 – $39.48 |
| Corewell Health Reed City | Po Box 75, MI | not published | $23.95 – $23.95 |
| Sentara Albemarle Regional Medical Center | Elizabeth City, NC | not published | $25.21 – $25.71 |
| Corewell Health Blodgett Hospital | East Grand Rapids, MI | not published | $5.92 – $45.38 |
| Aurora West Allis Medical Center | West Allis, WI | not published | $20.17 – $88.48 |
| Aurora Medical Center Washington County | Hartford, WI | not published | $20.17 – $88.48 |
| Aurora Medical Center Summit | Summit, WI | not published | $20.17 – $88.48 |
| Aurora Sinai Medical Center of Aurora Health Care Metro | Milwaukee, WI | not published | $20.17 – $88.48 |
| Ascension St. John Broken Arrow (St. John Broken Arrow, Inc.) | Jenks, OK | not published | $24.76 – $36.65 |
| Aurora Psychiatric Hospital | Wauwatosa, WI | not published | $20.17 – $88.48 |
| Aurora Medical Center Sheboygan County | Sheboygan, WI | not published | $20.17 – $88.48 |
| Ascension St. John Sapulpa (St. John Sapulpa, Inc.) | Sapulpa, OK | not published | $24.76 – $57.30 |
| Aurora Medical Center Fond du Lac | Fond Du Lac, WI | not published | $20.17 – $88.48 |
| Aurora Medical Center Kenosha | Kenosha, WI | not published | $20.17 – $88.48 |
| Aurora Medical Center Manitowoc | Two Rivers, WI | not published | $20.17 – $88.48 |
| Aurora Medical Center Grafton | Grafton, WI | not published | $20.17 – $88.48 |
| Ascension St. John Nowata (Jane Phillips Nowata Hospital, Inc.) | Nowata, OK | not published | $24.76 – $112.27 |
| Ascension St. John Jane Phillips (Jane Phillips Memorial Medical Center, Inc.) | Bartlesville, OK | not published | $24.76 – $112.27 |
| Ascension St. John Owasso (Owasso Medical Facility, Inc.) | Owasso, OK | not published | $24.76 – $64.94 |
| Ascension Saint Thomas Highlands | Sparta, TN | not published | $16.51 – $91.42 |
| Henry Ford River District Hospital | China Township, MI | not published | $3.30 – $47.90 |
| Aurora Medical Center Burlington | Burlington, WI | not published | $20.17 – $88.48 |
| Ascension St. John Medical Center (St. John Medical Center, Inc.) | Tulsa, OK | not published | $24.76 – $100.84 |
| Ascension Via Christi Hospital St. Teresa, Inc. | Wichita, KS | not published | $21.36 – $95.23 |
| Ascension St. Vincent Clay (St. Vincent Clay Hospital, Inc.) | Brazil, IN | not published | $10.58 – $57.48 |
| Ascension St. Vincent Fishers (St. Vincent Fishers Hospital, Inc.) | Fishers, IN | not published | $10.58 – $57.48 |
| St Elias Specialty Hospital | Anchorage, AK | not published | $24.45 – $50.15 |
| Henry Ford Genesys Hospital | Grand Blanc Twp, MI | not published | $1.98 – $53.45 |
| Covenant Medical Center | Lubbock, TX | not published | $25.21 – $109.92 |
| Aurora Medical Center Bay Area | Marinette, WI | not published | $20.17 – $88.48 |
| Aurora Baycare Medical Center | Green Bay, WI | not published | $20.17 – $88.48 |
| Henry Ford St John Hospital | Detroit, MI | not published | $3.30 – $47.90 |
| Corewell Health Butterworth Hospital | Grand Rapids, MI | not published | $5.92 – $45.38 |
| Ascension Via Christi St. Francis (Ascension Via Christi Hospitals Wichita, Inc.) | Wichita, KS | not published | $21.36 – $95.23 |
| Ascension St. Vincent Jennings (St. Vincent Jennings Hospital, Inc.) | Vernon, IN | not published | $10.58 – $57.48 |
| Corewell Health Lakeland St. Joseph | St Joseph, MI | not published | $10.36 – $37.82 |
| Corewell Health Lakeland Watervliet | Watervliet, MI | not published | $25.21 – $37.82 |
| Providence Willamette Falls Medical Center | Oregon City, OR | not published | $24.81 – $50.42 |
| Corewell Health Gerber | Fremont, MI | not published | $23.95 – $23.95 |