Assay of interleukin-6 (il-6) cost at US hospitals
HC ASSAY OF INTERLEUKIN-6 (IL-6) · CPT 83529
$4.66
lowest cash price
$79.00
national median
$775.28
highest cash price
698
hospitals with a published cash price
Middle half of hospitals (25th–75th percentile) against the full range. The same procedure varies $4.66–$775.28 — the variation is the story.
Median cash price over time
Sep 1, 2025 ($186.15) → Sep 1, 2026 ($100.00)
By state
| State | Hospitals | Lowest cash | Median | Highest |
|---|---|---|---|---|
| Alaska | 2 | $133.38 | $133.38 | $133.38 |
| Arizona | 23 | $9.16 | $17.66 | $192.92 |
| Arkansas | 11 | $8.70 | $154.05 | $166.00 |
| California | 81 | $4.66 | $35.84 | $106.03 |
| Colorado | 14 | $24.74 | $122.58 | $704.74 |
| Florida | 81 | $37.70 | $80.00 | $709.00 |
| Georgia | 24 | $47.19 | $47.19 | $101.57 |
| Hawaii | 1 | $46.50 | $46.50 | $46.50 |
| Illinois | 44 | $32.50 | $100.00 | $252.70 |
| Indiana | 26 | $743.47 | $743.47 | $743.47 |
| Iowa | 18 | $64.28 | $64.28 | $243.75 |
| Kansas | 9 | not published by hospital | not published by hospital | not published by hospital |
| Kentucky | 26 | $41.75 | $227.40 | $743.47 |
| Louisiana | 3 | $301.34 | $301.34 | $301.34 |
| Maine | 7 | $124.80 | $186.15 | $319.90 |
| Maryland | 1 | not published by hospital | not published by hospital | not published by hospital |
| Michigan | 26 | $22.40 | $23.83 | $109.60 |
| Minnesota | 15 | $101.60 | $137.60 | $160.38 |
| Mississippi | 9 | $11.60 | $14.50 | $32.64 |
| Missouri | 19 | $24.75 | $168.30 | $671.84 |
| Montana | 2 | $128.00 | $128.00 | $128.00 |
| Nebraska | 1 | $66.82 | $66.82 | $66.82 |
| Nevada | 4 | $15.99 | $17.71 | $52.54 |
| New Hampshire | 1 | $360.30 | $360.30 | $360.30 |
| New Jersey | 21 | $17.27 | $19.00 | $19.00 |
| New Mexico | 2 | not published by hospital | not published by hospital | not published by hospital |
| New York | 22 | $17.27 | $17.27 | $435.00 |
| North Carolina | 15 | $114.00 | $191.15 | $386.40 |
| North Dakota | 4 | $100.00 | $100.00 | $100.00 |
| Ohio | 63 | $42.00 | $77.35 | $238.55 |
| Oklahoma | 14 | $104.00 | $124.30 | $342.10 |
| Oregon | 9 | $34.50 | $45.00 | $46.40 |
| Pennsylvania | 26 | $56.40 | $87.60 | $366.00 |
| South Carolina | 12 | $52.20 | $270.00 | $330.00 |
| South Dakota | 2 | not published by hospital | not published by hospital | not published by hospital |
| Tennessee | 36 | $11.20 | $31.80 | $511.36 |
| Texas | 104 | $16.00 | $126.88 | $775.28 |
| Virginia | 40 | $30.30 | $60.60 | $432.00 |
| Washington | 30 | $16.40 | $42.93 | $122.50 |
| West Virginia | 11 | $95.00 | $95.44 | $687.00 |
| Wisconsin | 33 | $18.70 | $80.00 | $147.48 |
| Wyoming | 4 | $45.78 | $67.03 | $72.48 |
All hospitals
| Hospital | Location | Cash price | Negotiated range |
|---|---|---|---|
| Mercy Medical Center Merced | Merced, CA | $33.48 | $5.42 – $18.50 |
| Providence Medford Medical Center | Medford, OR | $34.50 | $13.82 – $34.54 |
| Sierra Nevada Memorial Hospital | Grass Valley, CA | $35.43 | $43.55 – $63.70 |
| Redwood City Medical Center | Redwood City, CA | $35.84 | $16.00 – $16.00 |
| Oakland Medical Center | Oakland, CA | $35.84 | $16.00 – $16.00 |
| Sacramento Medical Center | SACRAMENTO, CA | $35.84 | $16.00 – $16.00 |
| San Leandro Medical Center | SAN LEANDRO, CA | $35.84 | $16.00 – $16.00 |
| Santa Clara Medical Center | SANTA CLARA, CA | $35.84 | $16.00 – $16.00 |
| San Rafael Medical Center | SAN RAFAEL, CA | $35.84 | $16.00 – $16.00 |
| Santa Rosa Medical Center | SANTA ROSA, CA | $35.84 | $16.00 – $16.00 |
| South San Francisco Medical Center | SOUTH SAN FRANCISCO, CA | $35.84 | $16.00 – $16.00 |
| South Sacramento Medical Center | SACRAMENTO, CA | $35.84 | $16.00 – $16.00 |
| Vacaville Medical Center | VACAVILLE, CA | $35.84 | $16.00 – $16.00 |
| Walnut Creek Medical Center | WALNUT CREEK, CA | $35.84 | $16.00 – $16.00 |
| Vallejo Medical Center | VALLEJO, CA | $35.84 | $16.00 – $16.00 |
| Antioch Medical Center | ANTIOCH, CA | $35.84 | $16.00 – $16.00 |
| Fremont Medical Center | FREMONT, CA | $35.84 | $16.00 – $16.00 |
| Fresno Medical Center | FRESNO, CA | $35.84 | $16.00 – $16.00 |
| Roseville Medical Center | ROSEVILLE, CA | $35.84 | $16.00 – $16.00 |
| San Jose Medical Center | SAN JOSE, CA | $35.84 | $16.00 – $16.00 |
| San Francisco Medical Center | SAN FRANCISCO, CA | $35.84 | $16.00 – $16.00 |
| Sterling Regional Medical Center | Sterling, CO | $35.97 | $17.27 – $105.73 |
| Northwestern Medicine Marianjoy Rehabilitation Hospital | Wheaton, IL | $36.40 | not published |
| Gouverneur Hospital | Gouverneur, NY | $36.49 | $10.46 – $224.62 |
| Massena Hospital | Massena, NY | $36.69 | $15.69 – $133.27 |
| Banner Lassen Medical Center | Susanville, CA | $36.93 | $3.45 – $57.23 |
| St. Joseph's Behavioral Health Center | Stockton, CA | $37.12 | $1.87 – $14.95 |
| Ascension Calumet Hospital, Inc. | Chilton, WI | $37.62 | $18.13 – $66.66 |
| Boca Raton Regional Hospital | BOCA RATON, FL | $37.70 | $15.65 – $33.96 |
| St. Elizabeth Community Hospital | Red Bluff, CA | $37.96 | $36.40 – $63.70 |
| HCA FLORIDA OAK HILL HOSPITAL | BROOKSVILLE, FL | $40.43 | $15.66 – $76.63 |
| St. Clare Hospital | Lakewood, WA | $40.68 | $101.61 – $105.84 |
| Ascension Columbia St. Mary's Hospital - Ozaukee Campus (Columbia St. Mary's Hospital Milwaukee, Inc.) | Mequon, WI | $41.34 | $17.27 – $54.71 |
| Ascension Columbia St. Mary's Hospital - Milwaukee Campus (Columbia St. Mary's Hospital Milwaukee, Inc.) | Milwaukee, WI | $41.34 | $17.27 – $54.71 |
| CHI Saint Joseph Health - Saint Joseph London | London, KY | $41.75 | $16.71 – $106.47 |
| Ascension St. Francis Hospital, Inc. | Milwaukee, WI | $41.87 | $17.27 – $56.34 |
| Midwest Orthopedic Specialty Hospital | Franklin, WI | $41.87 | $17.27 – $56.34 |
| Ascension SE Wisconsin Hospital - St. Joseph Campus | Milwaukee, WI | $41.87 | $17.27 – $56.34 |
| University Hospitals Conneaut Medical Center | Conneaut, OH | $42.00 | $41.46 – $59.00 |
| University Hospitals Geneva Medical Center | Geneva, OH | $42.00 | $41.46 – $69.00 |
| Parkview Montpelier Hospital | Montpelier, OH | $42.50 | not published |
| Parkview Bryan Hospital | Bryan, OH | $42.50 | $17.27 – $51.81 |
| AdventHealth New Smyrna Beach | New Smyrna Beach, FL | $42.85 | $16.41 – $37.73 |
| St. Anthony Hospital | Gig Harbor, WA | $42.93 | $101.61 – $105.84 |
| St. Anne Hospital | Burien, WA | $43.10 | $60.69 – $127.01 |
| Canton-Potsdam Hospital | Potsdam, NY | $43.27 | $10.46 – $163.57 |
| Mark Twain Medical Center | San Andreas, CA | $43.29 | $4.81 – $18.19 |
| Rochester General Hospital | Rochester, NY | $43.73 | $10.46 – $22.28 |
| Newark Wayne Community Hospital | Newark, NY | $43.73 | $10.82 – $26.94 |
| Clifton Springs Hospital and Clinic | Clifton Springs, NY | $43.73 | $10.46 – $23.54 |