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
701
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 ($100.20)
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 | 23 | $17.27 | $31.80 | $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 | 28 | $56.40 | $94.80 | $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 |
|---|---|---|---|
| Providence Mission Hospital - Mission Viejo | Mission Viejo, CA | $99.79 | $14.68 – $34.54 |
| Providence St Joseph Hospital Orange | Orange, CA | $99.79 | $14.68 – $34.54 |
| Advocate Illinois Masonic Medical Center | Chicago, IL | $100.00 | $17.27 – $162.80 |
| Advocate Childrens Hospital - Park Ridge | Park Ridge, IL | $100.00 | $17.27 – $160.00 |
| Advocate Sherman Hospital | Elgin, IL | $100.00 | $17.27 – $180.00 |
| Advocate South Suburban Hospital | Hazel Crest, IL | $100.00 | $17.27 – $194.80 |
| Advocate Trinity Hospital | Chicago, IL | $100.00 | $17.27 – $160.00 |
| Advocate Christ Medical Center | Oak Lawn, IL | $100.00 | $17.27 – $160.00 |
| Advocate Condell Medical Center | Libertyville, IL | $100.00 | $17.27 – $160.00 |
| Advocate Good Samaritan Hospital | Downers Grove, IL | $100.00 | $17.27 – $160.00 |
| Sanford Medical Center Hillsboro | Hillsboro, ND | $100.00 | $30.26 – $112.50 |
| Sanford Medical Center Mayville | Mayville, ND | $100.00 | $30.26 – $112.50 |
| HCA FLORIDA HIGHLANDS HOSPITAL | Sebring, FL | $100.00 | $17.27 – $208.10 |
| UPMC Mercy | Pittsburgh, PA | $100.20 | $7.32 – $19.00 |
| UPMC Bedford | Everett, PA | $100.20 | $6.23 – $150.30 |
| Adventhealth Gordon | Calhoun, GA | $101.57 | $16.92 – $34.23 |
| Sanford Thief River Falls Medical Center | Thief River Falls, MN | $101.60 | $43.62 – $114.30 |
| Sanford Behavioral Health Thief River Falls | Thief River Falls, MN | $101.60 | $43.62 – $114.30 |
| OSF Saint James John W Albrecht Medical Center | Pontiac, IL | $103.20 | $17.27 – $17.62 |
| OSF Healthcare Saint Katharine Medical Center | Dixon, IL | $103.60 | $17.27 – $17.27 |
| Mercy Hospital Oklahoma City | Oklahoma City, OK | $104.00 | $14.06 – $38.12 |
| SSM Health St. Mary's Hospital - Jefferson City | Jefferson City, MO | $104.50 | $15.54 – $31.09 |
| SSM Health St. Mary's Hospital - Janesville | Janesville, WI | $104.50 | $12.95 – $100.72 |
| OSF Holy Family Medical Center | Monmouth, IL | $105.60 | not published |
| Petaluma Valley Hospital | Petaluma, CA | $106.03 | $16.92 – $37.98 |
| Queen of The Valley Medical Center | Napa, CA | $106.03 | $17.27 – $47.99 |
| Providence St Joseph Hospital Eureka | Eureka, CA | $106.03 | $17.27 – $90.73 |
| Redwood Memorial Hospital | Fortuna, CA | $106.03 | $90.94 – $90.94 |
| Santa Rosa Memorial Hospital | Santa Rosa, CA | $106.03 | $16.92 – $40.83 |
| Mercy Hospital Logan County | Guthrie, OK | $107.90 | $15.36 – $21.59 |
| Mercy Hospital Watonga | Watonga, OK | $107.90 | $15.36 – $21.59 |
| Mercy Hospital Kingfisher | Kingfisher, OK | $107.90 | $15.36 – $21.59 |
| Northwestern Medicine Kishwaukee Hospital | DeKalb, IL | $108.50 | not published |
| cleveland clinic florida weston hospital | Weston, FL | $108.55 | $5.78 – $36.55 |
| martin north hospital | Stuart, FL | $108.55 | $6.08 – $32.25 |
| indian river hospital | Vero Beach, FL | $108.55 | $5.78 – $34.40 |
| AHN WEXFORD HOSPITAL | WEXFORD, PA | $108.78 | $8.37 – $18.82 |
| OSF St Francis Hospital | Escanaba, MI | $109.60 | not published |
| Camden Clark Medical Center | Parkersburg, WV | $110.00 | $17.27 – $27.29 |
| HCA HOUSTON CONROE | CONROE, TX | $111.78 | $14.22 – $71.10 |
| GROVE CITY HOSPITAL | GROVE CITY, PA | $113.19 | $11.40 – $18.82 |
| Adventhealth Hendersonville | Hendersonville, NC | $114.00 | $17.27 – $43.12 |
| Northwestern Medicine Palos Hospital | Palos Heights, IL | $114.10 | not published |
| SSM Health St. Mary's Hospital - Centralia | Centralia, IL | $116.05 | $17.27 – $18.13 |
| SSM Health Good Samaritan Hospital - Mt. Vernon | Mount Vernon, IL | $116.05 | $17.27 – $18.13 |
| Kadlec Regional Medical Center | Richland, WA | $116.20 | $17.27 – $31.95 |
| Whitesburg ARH Hospital | Whitesburg, KY | $121.80 | $17.27 – $17.27 |
| Morgan County ARH Hospital | Liberty, KY | $121.80 | $17.27 – $17.27 |
| Providence St Mary Medical Center | Walla Walla, WA | $122.50 | $17.27 – $31.95 |
| AdventHealth Parker | Parker, CO | $122.58 | $16.92 – $31.95 |