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 |
|---|---|---|---|
| Providence Portland Medical Center | Portland, OR | not published | $24.81 – $50.42 |
| Henry Ford Providence Novi Hospital | Novi, MI | not published | $3.31 – $34.79 |
| University Hospitals Regional Hospitals - Geauga Medical Center | Chardon, OH | not published | $12.31 – $45.38 |
| Ascension St. Vincent Mercy (St. Vincent Madison County Health System, Inc.) | Elwood, IN | not published | $10.58 – $57.48 |
| SSM Health Waupun Memorial Hospital | Waupun, WI | not published | $25.21 – $47.64 |
| Ascension St. Vincent Anderson (St. Vincent Anderson Regional Hospital, Inc.) | Anderson, IN | not published | $10.58 – $57.48 |
| Providence Newberg Medical Center | Newberg, OR | not published | $24.81 – $46.13 |
| SSM Health St. Agnes Hospital - Fond du Lac | Fond Du Lac, WI | not published | $18.91 – $48.66 |
| Wamego Health Center (Wamego Hospital Association) | Wamego, KS | not published | $10.48 – $126.71 |
| Ascension St. Vincent Randolph (St. Vincent Randolph Hospital, Inc.) | Winchester, IN | not published | $10.58 – $57.48 |
| Ascension Via Christi Rehabilitation Hospital, Inc. | Wichita, KS | not published | $21.36 – $95.23 |
| Ascension St. Vincent Naab Surgery Center | Indianapolis, IN | not published | $10.58 – $57.48 |
| University Hospitals Cleveland Medical Center | Cleveland OH 44106|3999 Richmond Road, OH | not published | $25.21 – $45.38 |
| University Hospitals Portage Medical Center | Ravenna OH 44266, OH | not published | $25.21 – $45.38 |
| University Hospitals Parma Medical Center | Parma OH 44129|7007 Powers Boulevard, OH | not published | $12.31 – $45.38 |
| University Hospitals Lake West Medical Center | Willoughby OH 44094|7590 Auburn Road, OH | not published | $25.21 – $45.38 |
| University Hospitals St. John Medical Center | Westlake OH, OH | not published | $12.31 – $60.51 |
| University Hospitals Geneva Medical Center | Geneva, OH | not published | $12.31 – $60.51 |
| University Hospitals Elyria Medical Center | Elyria, OH | not published | $25.21 – $45.38 |
| Corewell Health Pennock | Hastings, MI | not published | $23.95 – $23.95 |
| Providence Cedars-Sinai Tarzana Medical Center | Tarzana, CA | not published | $25.21 – $62.84 |
| Advocate Trinity Hospital | Chicago, IL | not published | $25.21 – $114.59 |
| Spring Harbor Hospital | Westbrook, ME | not published | $25.21 – $51.33 |
| University Hospitals Conneaut Medical Center | Conneaut, OH | not published | $12.31 – $60.51 |
| Advocate South Suburban Hospital | Hazel Crest, IL | not published | $25.21 – $114.59 |
| Advocate Sherman Hospital | Elgin, IL | not published | $19.45 – $114.59 |
| Advocate Childrens Hospital - Park Ridge | Park Ridge, IL | not published | $25.21 – $114.59 |
| Advocate Illinois Masonic Medical Center | Chicago, IL | not published | $25.21 – $114.59 |
| Ascension St. Vincent Salem (St. Vincent Salem Hospital, Inc.) | Salem, IN | not published | $10.58 – $57.48 |
| University Hospitals Beachwood Medical Center | Beachwood, OH | not published | $25.21 – $45.38 |
| SSM Health St. Joseph Hospital- Wentzville | Wentzville, MO | not published | $25.21 – $97.06 |
| Sanford USD Medical Center | Sioux Falls, SD | not published | $23.95 – $51.63 |
| Swedish Medical Center Cherry Hill | Seattle, WA | not published | $22.69 – $114.71 |
| Petaluma Valley Hospital | Petaluma, CA | not published | $24.71 – $192.18 |
| SSM Health Saint Louis University Hospital | Saint Louis, MO | not published | $24.71 – $50.27 |
| SSM Health DePaul Hospital - St. Louis | Bridgeton, MO | not published | $25.21 – $97.06 |
| Adventhealth Shawnee Mission | Shawnee Mission, KS | not published | $10.59 – $73.11 |
| Providence Alaska Medical Center | Anchorage, AK | not published | $69.67 – $172.28 |
| Ascension St. Vincent Seton (St. Vincent Seton Specialty Hospital, Inc.) | Indianapolis, IN | not published | $10.58 – $57.48 |
| Ascension St. Vincent Carmel Ambulatory Surgery Center | Carmel, IN | not published | $10.58 – $57.48 |
| SSM Health St. Clare Hospital - Fenton | Fenton, MO | not published | $25.21 – $97.06 |
| Providence Medford Medical Center | Medford, OR | not published | $20.17 – $50.42 |