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 |
|---|---|---|---|
| Inova Fairfax Hospital | Falls Church, VA | $190.50 | $14.35 – $239.69 |
| Inova Fair Oaks Hospital | VA 22033-1709, VA | $190.50 | $14.35 – $239.69 |
| Inova Loudoun Hospital | Leesburg, VA | $190.50 | $14.35 – $239.69 |
| Inova Mount Vernon Hospital | Alexandria, VA | $190.50 | $14.35 – $239.69 |
| Atrium Health Anson | Wadesboro, NC | $191.15 | $17.62 – $363.19 |
| Atrium Health Mercy | Charlotte, NC | $191.15 | $17.62 – $351.72 |
| Atrium Health Pineville | Charlotte, NC | $191.15 | $17.62 – $351.72 |
| Atrium Health Stanly | Albermarle, NC | $191.15 | $17.62 – $367.01 |
| Atrium Health Behavioral Health Charlotte | Charlotte, NC | $191.15 | $72.64 – $382.30 |
| Atrium Health Cleveland | Shelby, NC | $191.15 | $17.62 – $363.19 |
| Atrium Health Cabarrus | Concord, NC | $191.15 | $17.62 – $363.19 |
| Atrium Health Lincoln | Lincolnton, NC | $191.15 | $17.62 – $363.19 |
| Atrium Health Union | Monroe, NC | $191.15 | $17.62 – $363.19 |
| Carolinas Rehabilitation Charlotte | Charlotte, NC | $191.15 | $17.62 – $351.72 |
| Atrium Health University City | Charlotte, NC | $191.15 | $17.62 – $351.72 |
| Atrium Health Carolinas Medical Center | Charlotte, NC | $191.15 | $17.62 – $344.07 |
| Yavapai Regional Medical Center (East) | Prescott, AZ | $192.92 | $43.18 – $252.20 |
| UPMC East | Monroeville, PA | $194.40 | $7.39 – $259.20 |
| Van Wert Hospital | Van Wert, OH | $196.95 | $17.27 – $17.62 |
| SSM Health Cardinal Glennon Children's Hospital | Saint Louis, MO | $199.65 | $17.27 – $22.46 |
| Northwestern Memorial Hospital | Chicago, IL | $214.90 | not published |
| Adventhealth Wauchula | Wauchula, FL | $219.91 | not published |
| Thomas Hospitals | South Charleston, WV | $221.50 | $17.27 – $87.40 |
| HCA FLORIDA OCALA HOSPITAL | SUMMERFIELD, FL | $222.16 | $15.66 – $74.23 |
| Tug Valley ARH Regional Medical Center | Williamson, KY | $227.40 | $17.27 – $17.27 |
| Sentara Leigh Hospital | Norfolk, VA | $228.00 | $17.27 – $18.13 |
| Sentara Virginia Beach General Hospital | Virginia Beach, VA | $228.00 | $17.27 – $18.13 |
| Sentara Princess Anne Hospital | Virginia Beach, VA | $228.00 | $17.27 – $18.13 |
| Sentara Obici Hospital | Suffolk, VA | $228.00 | $17.27 – $32.30 |
| Sentara CarePlex Hospital | Hampton, VA | $228.00 | $17.27 – $18.13 |
| Sentara Northern Virginia Medical Center | Woodbridge, VA | $228.00 | $10.36 – $58.20 |
| Sentara Norfolk General Hospital | Norfolk, VA | $228.00 | $17.27 – $18.13 |
| MEDICAL CITY FORT WORTH HOSPITAL | FT WORTH, TX | $228.60 | $10.36 – $68.47 |
| MEDICAL CITY NORTH HILLS HOSPITAL | North Richland Hills, TX | $232.24 | $10.36 – $65.86 |
| Waldo County General Hospital | Belfast, ME | $237.70 | $11.05 – $223.91 |
| Hardin Memorial Hospital | Kenton, OH | $238.55 | not published |
| Northwestern Medicine Central DuPage Hospital | IL 60190, IL | $242.20 | not published |
| Northwestern Medicine Delnor Hospital | Geneva, IL | $242.20 | not published |
| MercyOne Waterloo Medical Center | Waterloo, IA | $243.75 | $16.74 – $375.00 |
| MercyOne Dubuque Medical Center | Dubuque, IA | $243.75 | $16.74 – $375.00 |
| MercyOne Des Moines Medical Center | Des Moines, IA | $243.75 | $16.74 – $375.00 |
| MercyOne North Iowa Medical Center | Mason City, IA | $243.75 | $16.74 – $375.00 |
| Northwestern Lake Forest Hospital DBA Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital | Lake Forest, IL | $252.70 | not published |
| Northwestern Medicine McHenry Hospital | McHenry, IL | $252.70 | not published |
| HCA HOUSTON KINGWOOD | HUMBLE, TX | $257.01 | $14.22 – $71.10 |
| UPMC Williamsport | Williamsport, PA | $259.80 | $13.48 – $18.86 |
| MUSC Health Black River Medical Center | Cades, SC | $270.00 | $7.25 – $19.00 |
| UPMC Hamot | Erie, PA | $271.20 | $7.32 – $18.65 |
| Lincoln Health | Damariscotta, ME | $273.35 | $11.05 – $256.95 |
| HORIZON MEDICAL CENTER | DICKSON, TN | $275.21 | $7.77 – $51.81 |