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 |
|---|---|---|---|
| Texas Health Harris Methodist Hospital Cleburne | Cleburne, TX | not published | $14.51 – $15.67 |
| Parkview Whitley Hospital & Parkview Kosciusko Hospital | Columbia City, IN | not published | $17.27 – $25.90 |
| Parkview Ortho Hospital | Fort Wayne, IN | not published | $17.27 – $25.90 |
| Parkview Noble Hospital | Kendallville, IN | not published | $17.27 – $25.90 |
| Parkview Wabash Hospital | Wabash, IN | not published | $31.01 – $34.54 |
| Parkview Logansport Hospital | Logansport, IN | not published | $17.27 – $34.54 |
| Parkview LaGrange Hospital | Lagrange, IN | not published | $31.01 – $34.54 |
| Parkview Huntington Hospital | Huntington, IN | not published | $17.27 – $25.90 |
| Parkview DeKalb Hospital | Auburn, IN | not published | $17.27 – $25.90 |
| Parkview Regional Medical Center & Parkview Hospital Randallia | Fort Wayne, IN | not published | $17.27 – $25.90 |
| Morristown-Hamblen Hospital Association | Morristown, TN | not published | $7.77 – $31.26 |
| LeConte Medical Center | Sevierville, TN | not published | $7.77 – $31.26 |
| MEDICAL CITY ARGYLE HOSPITAL | Argyle, TX | not published | $10.36 – $65.86 |
| Fort Loudoun Medical Center | Lenoir City, TN | not published | $7.77 – $31.26 |
| CHRISTUS St. Michael Hospital - Atlanta | Atlanta, TX | not published | $8.64 – $34.54 |
| CHRISTUS Good Shepherd Medical Center - Longview | Longview, TX | not published | $10.36 – $34.54 |
| Gerald Champion Regional Medical Center | Alamogordo, NM | not published | $16.23 – $27.75 |
| CHRISTUS Spohn Hospital Corpus Christi - Shoreline | Corpus Christi, TX | not published | $6.22 – $34.54 |
| CHRISTUS St. Michael Rehabilitation | Texarkana, TX | not published | $8.64 – $34.54 |
| Cumberland Medical Center, Inc. | Crossville, TN | not published | $7.77 – $31.26 |
| Claiborne Medical Center | Tazewell, TN | not published | $7.77 – $31.26 |
| CHRISTUS Spohn Hospital - Kleberg | Kingsville, TX | not published | $6.22 – $37.00 |
| Roane County Medical Center | Harriman, TN | not published | $7.77 – $31.26 |
| CHRISTUS Spohn Hospital - Beeville | Beeville, TX | not published | $6.22 – $37.00 |
| CHRISTUS Spohn Hospital - Alice | Alice, TX | not published | $6.22 – $37.00 |
| Texas Health Harris Methodist Hospital Stephenville | Stephenville, TX | not published | $23.66 – $25.55 |
| Texas Health Harris Methodist Hospital Fort Worth | Fort Worth, TX | not published | $14.51 – $15.67 |
| CHRISTUS Santa Rosa Hospital - San Marcos | San Marcos, TX | not published | $17.27 – $38.86 |
| CHRISTUS Trinity Mother Frances Hospital - Winnsboro | Winnsboro, TX | not published | $10.36 – $53.19 |
| CHRISTUS Trinity Mother Frances Hospital - Sulphur Springs | Sulphur Springs, TX | not published | $9.25 – $37.00 |
| CHRISTUS Good Shepherd Medical Center - Marshall | Marshall, TX | not published | $10.36 – $34.54 |
| Texas Health Harris Methodist Hospital Southwest Fort Worth | Fort Worth, TX | not published | $14.51 – $15.67 |
| Texas Health Harris Methodist Hospital Southlake | Southlake, TX | not published | $14.51 – $15.67 |
| Texas Health Hospital Rockwall | Rockwall, TX | not published | $14.51 – $15.67 |
| Texas Health Presbyterian Hospital Plano | Plano, TX | not published | $14.51 – $15.67 |
| Texas Health Harris Methodist Hospital Hurst-Euless-Bedford | Bedford, TX | not published | $14.51 – $15.67 |
| Texas Health Presbyterian Hospital Kaufman | Kaufman, TX | not published | $14.51 – $15.67 |
| Texas Health Heart & Vascular Hospital Arlington | Arlington, TX | not published | $14.51 – $17.27 |
| Texas Health Hospital Frisco | Frisco, TX | not published | $14.51 – $15.67 |
| Texas Health Presbyterian Hospital Flower Mound | Flower Mound, TX | not published | $14.51 – $15.67 |
| Texas Health Presbyterian Hospital Denton | Denton, TX | not published | $14.51 – $15.67 |
| Texas Health Harris Methodist Hospital Azle | Azle, TX | not published | $14.51 – $15.67 |
| Texas Health Center for Diagnostics and Surgery Plano | Plano, TX | not published | $14.51 – $15.67 |
| Texas Health Presbyterian Hospital Allen | Allen, TX | not published | $14.51 – $15.67 |
| Texas Health Arlington Memorial Hospital | Arlington, TX | not published | $14.51 – $15.67 |
| Texas Health Harris Methodist Hospital Alliance | Fort Worth, TX | not published | $14.51 – $15.67 |
| Swedish Edmonds Hospital | Edmonds, WA | not published | $17.27 – $33.69 |
| Covenant Health Hobbs Hospital | Hobbs, NM | not published | $17.27 – $24.18 |
| Covenant Hospital Levelland | Levelland, TX | not published | $16.75 – $18.22 |
| Providence Saint John's Health Center | Santa Monica, CA | not published | $17.27 – $42.90 |