Total tau cost at US hospitals
HC TOTAL TAU · CPT 84394
$19.04
lowest cash price
$312.50
national median
$2,578.00
highest cash price
395
hospitals with a published cash price
Middle half of hospitals (25th–75th percentile) against the full range. The same procedure varies $19.04–$2,578.00 — the variation is the story.
Median cash price over time
Sep 1, 2025 ($149.40) → Sep 1, 2026 ($312.00)
By state
| State | Hospitals | Lowest cash | Median | Highest |
|---|---|---|---|---|
| Alaska | 2 | not published by hospital | not published by hospital | not published by hospital |
| Arizona | 19 | $37.88 | $72.16 | $355.56 |
| Arkansas | 1 | $107.00 | $107.00 | $107.00 |
| California | 53 | $19.04 | $21.00 | $258.05 |
| Colorado | 17 | $102.38 | $148.83 | $293.00 |
| Florida | 79 | $72.80 | $297.70 | $1,320.00 |
| Georgia | 22 | $158.66 | $458.00 | $458.00 |
| Hawaii | 1 | $211.84 | $211.84 | $211.84 |
| Illinois | 44 | $64.28 | $392.00 | $511.20 |
| Indiana | 10 | $236.50 | $241.00 | $991.83 |
| Iowa | 15 | $64.28 | $64.28 | $183.95 |
| Kansas | 5 | not published by hospital | not published by hospital | not published by hospital |
| Kentucky | 15 | $54.60 | $339.00 | $991.83 |
| Louisiana | 1 | not published by hospital | not published by hospital | not published by hospital |
| Maine | 6 | $120.90 | $149.40 | $295.40 |
| Michigan | 17 | $177.91 | $177.91 | $448.00 |
| Minnesota | 9 | $483.84 | $592.70 | $609.62 |
| Missouri | 13 | $137.50 | $137.50 | $377.00 |
| Montana | 1 | not published by hospital | not published by hospital | not published by hospital |
| Nebraska | 1 | $276.46 | $276.46 | $276.46 |
| Nevada | 4 | $217.38 | $307.50 | $429.00 |
| New Hampshire | 1 | $342.95 | $342.95 | $342.95 |
| New Jersey | 1 | $85.32 | $85.32 | $85.32 |
| New Mexico | 1 | not published by hospital | not published by hospital | not published by hospital |
| New York | 19 | $31.80 | $35.95 | $230.00 |
| North Carolina | 14 | $605.00 | $605.00 | $605.00 |
| Ohio | 52 | $78.65 | $504.00 | $975.00 |
| Oklahoma | 4 | $137.50 | $137.50 | $538.85 |
| Oregon | 6 | not published by hospital | not published by hospital | not published by hospital |
| Pennsylvania | 11 | $56.40 | $194.40 | $1,120.80 |
| South Carolina | 12 | $544.20 | $569.40 | $844.00 |
| Tennessee | 28 | $50.14 | $51.15 | $1,012.50 |
| Texas | 104 | $208.33 | $600.00 | $2,578.00 |
| Virginia | 32 | $50.14 | $293.00 | $317.00 |
| Washington | 22 | $724.71 | $724.71 | $724.71 |
| West Virginia | 16 | $431.00 | $431.00 | $689.60 |
| Wisconsin | 27 | $48.36 | $312.50 | $468.60 |
| Wyoming | 4 | $189.42 | $277.36 | $299.92 |
All hospitals
| Hospital | Location | Cash price | Negotiated range |
|---|---|---|---|
| Northwestern Medicine Delnor Hospital | Geneva, IL | $392.00 | not published |
| Northwestern Medicine Kishwaukee Hospital | DeKalb, IL | $392.00 | not published |
| Northwestern Medicine Marianjoy Rehabilitation Hospital | Wheaton, IL | $392.00 | not published |
| Northwestern Medicine Palos Hospital | Palos Heights, IL | $392.00 | not published |
| Northwestern Medicine McHenry Hospital | McHenry, IL | $392.00 | not published |
| Northwestern Memorial Hospital | Chicago, IL | $392.00 | not published |
| SKYLINE MADISON CAMPUS | NASHVILLE, TN | $413.00 | $92.82 – $386.76 |
| Rose de Lima Hospital | Henderson, NV | $429.00 | $255.00 – $1,035.00 |
| United Hospital Center | Bridgeport, WV | $431.00 | $128.92 – $203.69 |
| Berkeley Medical Center | Martinsburg, WV | $431.00 | $128.92 – $203.69 |
| Camden Clark Medical Center | Parkersburg, WV | $431.00 | $128.92 – $203.69 |
| Braxton County Memorial Hospital | Gassaway, WV | $431.00 | not published |
| Barnesville Hospital | Barnesville, OH | $431.00 | not published |
| Jackson General Hospital | Ripley, WV | $431.00 | not published |
| Jefferson Medical Center | Ranson, WV | $431.00 | not published |
| Potomac Valley Hospital | Keyser, WV | $431.00 | not published |
| Princeton Community Hospital | Princeton, WV | $431.00 | $128.92 – $750.91 |
| St. Joseph's Hospital | Buckhannon, WV | $431.00 | not published |
| Reynolds Memorial Hospital | Glen Dale, WV | $431.00 | $83.80 – $203.69 |
| Summersville Regional Medical Center | Summersville, WV | $431.00 | not published |
| Thomas Hospitals | South Charleston, WV | $431.00 | $128.92 – $652.45 |
| Uniontown Hospital | Uniontown, PA | $431.00 | $128.92 – $300.38 |
| Wetzel County Hospital | New Martinsville, WV | $431.00 | $128.92 – $203.69 |
| Weirton Medical Center | Weirton, WV | $431.00 | $128.92 – $656.13 |
| West Virginia University Hospitals | Morgantown, WV | $431.00 | $83.80 – $546.17 |
| OSF Holy Family Medical Center | Monmouth, IL | $444.00 | not published |
| OSF Saint Clare Medical Center | Princeton, IL | $444.00 | not published |
| OSF Saint James John W Albrecht Medical Center | Pontiac, IL | $444.00 | $128.92 – $131.50 |
| OSF Saint Paul Medical Center | Mendota, IL | $444.00 | not published |
| OSF St Francis Hospital | Escanaba, MI | $448.00 | not published |
| Emory Decatur Hospital | Decatur, GA | $458.00 | $128.92 – $273.31 |
| Emory Hillandale Hospital | Lithonia, GA | $458.00 | $128.92 – $273.31 |
| Emory Long-Term Acute Care Hospital | Decatur, GA | $458.00 | not published |
| Emory Johns Creek Hospital | Johns Creek, GA | $458.00 | $128.92 – $273.31 |
| Emory Rehabilitation Hospital | Atlanta, GA | $458.00 | not published |
| Emory Saint Joseph's Hospital | Atlanta, GA | $458.00 | $128.92 – $273.31 |
| Emory University Hospital | Ne, GA | $458.00 | $128.92 – $273.31 |
| Emory University Hospital Midtown | Atlanta, GA | $458.00 | $128.92 – $273.31 |
| HSHS St. Mary's Hospital Medical Center | GREEN BAY, WI | $468.60 | $128.92 – $290.07 |
| HSHS St. Nicholas Hospital | SHEBOYGAN, WI | $468.60 | $128.92 – $290.07 |
| HSHS St. Vincent Hospital | Green Bay, WI | $468.60 | $128.92 – $290.07 |
| HSHS St. Clare Memorial Hospital | OCONTO FALLS, WI | $468.60 | $128.92 – $167.60 |
| Abbott Northwestern Hospital | MN 55407, MN | $483.84 | $120.02 – $682.28 |
| Mercy Hospital | MN 55443 | 550 Osborne Road NE. Fridley, MN | $483.84 | $120.02 – $223.70 |
| United Hospital | MN | 1175 Nininger Road. Hastings, MN | $483.84 | $120.02 – $223.70 |
| Adventhealth Tampa | Tampa, FL | $500.00 | $128.92 – $286.20 |
| Adventhealth Port Charlotte | Port Charlotte, FL | $500.00 | $128.92 – $235.41 |
| Adventhealth Riverview | Riverview, FL | $500.00 | not published |
| Adventhealth Sebring | Sebring, FL | $500.00 | $132.14 – $292.98 |
| HCA HOUSTON CLEAR LAKE | FRIENDSWOOD, TX | $501.48 | $34.89 – $379.69 |