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 |
|---|---|---|---|
| Texas Health Presbyterian Hospital Flower Mound | Flower Mound, TX | not published | $21.18 – $46.21 |
| Texas Health Presbyterian Hospital Denton | Denton, TX | not published | $21.18 – $46.21 |
| Texas Health Harris Methodist Hospital Azle | Azle, TX | not published | $21.18 – $46.21 |
| Texas Health Center for Diagnostics and Surgery Plano | Plano, TX | not published | $21.18 – $46.21 |
| Texas Health Presbyterian Hospital Allen | Allen, TX | not published | $21.18 – $46.21 |
| Texas Health Arlington Memorial Hospital | Arlington, TX | not published | $21.18 – $46.21 |
| Texas Health Harris Methodist Hospital Alliance | Fort Worth, TX | not published | $21.18 – $46.21 |
| Adventhealth North Pinellas | Tarpon Springs, FL | not published | $25.21 – $55.97 |
| AdventHealth Deland | Deland, FL | not published | $23.95 – $50.28 |
| AdventHealth Castle Rock | Castle Rock, CO | not published | $24.71 – $46.64 |
| Ascension SE Wisconsin Hospital - St. Joseph Campus | Milwaukee, WI | not published | $25.21 – $106.23 |
| Kadlec Regional Medical Center | Richland, WA | not published | $25.21 – $98.57 |
| Ascension Seton Medical Center Austin (Ascension Seton) | Austin, TX | not published | $18.25 – $175.05 |
| Providence St Mary Medical Center | Walla Walla, WA | not published | $25.21 – $46.64 |
| Providence Milwaukie Hospital | Milwaukie, OR | not published | $24.81 – $50.42 |
| Adventhealth Sebring | Sebring, FL | not published | $25.84 – $57.29 |
| Adventhealth Hendersonville | Hendersonville, NC | not published | $25.21 – $62.95 |
| Adventhealth Carrollwood | Tampa, FL | not published | $25.21 – $55.97 |
| Ascension Seton Highland Lakes (Ascension Seton) | Burnet, TX | not published | $18.25 – $175.05 |
| Swedish Edmonds Hospital | Edmonds, WA | not published | $25.21 – $113.45 |
| Covenant Health Hobbs Hospital | Hobbs, NM | not published | $25.21 – $35.29 |
| Covenant Hospital Levelland | Levelland, TX | not published | $24.45 – $26.60 |
| Providence Saint John's Health Center | Santa Monica, CA | not published | $25.21 – $73.04 |
| SSM Health Ripon Community Hospital | Ripon, WI | not published | $25.21 – $47.64 |
| Ascension St. Vincent Carmel (St. Vincent Carmel Hospital, Inc.) | Carmel, IN | not published | $10.58 – $57.48 |
| SSM Health Monroe Hospital | Monroe, WI | not published | $25.21 – $44.12 |
| Ascension St. Vincent Kokomo (St. Joseph Hospital & Health Center, Inc.) | Kokomo, IN | not published | $10.58 – $57.48 |
| Providence St Joseph Hospital Orange | Orange, CA | not published | $10.70 – $50.42 |
| SSM Health St. Anthony Hospital - Shawnee | Shawnee, OK | not published | $25.21 – $36.89 |
| Atrium Health Carolinas Medical Center | Charlotte, NC | not published | $25.71 – $34.91 |
| University Hospitals Ahuja Medical Center | Beachwood, OH | not published | $12.31 – $45.38 |
| Atrium Health University City | Charlotte, NC | not published | $25.71 – $31.51 |
| Ascension St. Vincent Evansville (St. Mary's Health, Inc.) | IN 47750|10388 Warrick Wellness Trail Newburgh, IN | not published | $10.58 – $57.48 |
| Carolinas Rehabilitation Charlotte | Charlotte, NC | not published | $25.71 – $29.33 |
| south pointe hospital | Warrensville Heights, OH | not published | $14.73 – $96.24 |
| mercy hospital | Canton, OH | not published | $11.60 – $96.24 |
| medina hospital | Medina, OH | not published | $12.95 – $96.24 |
| indian river hospital | Vero Beach, FL | not published | $5.78 – $46.58 |
| St Patrick Hospital - Broadway Campus | Missoula, MT | not published | $25.46 – $77.82 |
| Providence Mission Hospital - Mission Viejo | Mission Viejo, CA | not published | $10.70 – $50.42 |
| Santa Rosa Memorial Hospital | Santa Rosa, CA | not published | $24.71 – $206.63 |
| Providence St Joseph Medical Center | Polson, MT | not published | $31.51 – $77.82 |
| Atrium Health Union | Monroe, NC | not published | $25.71 – $31.51 |
| marymount hospital | Garfield Heights, OH | not published | $12.48 – $96.24 |
| Atrium Health Lincoln | Lincolnton, NC | not published | $25.71 – $31.51 |
| Atrium Health Cabarrus | Concord, NC | not published | $25.71 – $31.51 |
| Atrium Health Cleveland | Shelby, NC | not published | $25.71 – $29.62 |
| Atrium Health Behavioral Health Charlotte | Charlotte, NC | not published | $29.33 – $29.33 |
| SSM Health St. Joseph Hospital - Lake Saint Louis | Lake Saint Louis, MO | not published | $25.21 – $97.06 |
| Uchicago Medicine Adventhealth Bolingbrook | Bolingbrook, IL | not published | $25.21 – $40.84 |