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 |
|---|---|---|---|
| Morristown-Hamblen Hospital Association | Morristown, TN | not published | $58.01 – $161.15 |
| Parkwest Medical Center | Knoxville, TN | not published | $58.01 – $161.15 |
| Methodist Medical Center of Oak Ridge | Oak Ridge, TN | not published | $58.01 – $161.15 |
| LeConte Medical Center | Sevierville, TN | not published | $58.01 – $161.15 |
| MEDICAL CITY ARLINGTON HOSPITAL | RED OAK, TX | not published | $30.22 – $337.77 |
| Fort Loudoun Medical Center | Lenoir City, TN | not published | $58.01 – $161.15 |
| CHRISTUS St. Michael Hospital - Atlanta | Atlanta, TX | not published | $81.69 – $81.69 |
| CHRISTUS Spohn Hospital Corpus Christi - Shoreline | Corpus Christi, TX | not published | $60.96 – $60.96 |
| Cumberland Medical Center, Inc. | Crossville, TN | not published | $58.01 – $161.15 |
| MEDICAL CITY ARGYLE HOSPITAL | Argyle, TX | not published | $30.22 – $337.77 |
| Claiborne Medical Center | Tazewell, TN | not published | $58.01 – $161.15 |
| Roane County Medical Center | Harriman, TN | not published | $58.01 – $161.15 |
| CHRISTUS Spohn Hospital - Kleberg | Kingsville, TX | not published | $71.33 – $71.33 |
| CHRISTUS Spohn Hospital - Beeville | Beeville, TX | not published | $69.43 – $69.43 |
| CHRISTUS Spohn Hospital - Alice | Alice, TX | not published | $68.73 – $68.73 |
| Texas Health Harris Methodist Hospital Stephenville | Stephenville, TX | not published | $412.85 – $445.88 |
| Texas Health Harris Methodist Hospital Fort Worth | Fort Worth, TX | not published | $253.13 – $273.38 |
| CENTENNIAL MEDICAL CENTER AT ASHLAND CITY | Ashland City, TN | not published | $128.92 – $386.76 |
| CHRISTUS Trinity Mother Frances Hospital - Winnsboro | Winnsboro, TX | not published | $53.19 – $53.19 |
| CHRISTUS Santa Rosa Hospital - San Marcos | San Marcos, TX | not published | $145.00 – $145.00 |
| CHRISTUS Trinity Mother Frances Hospital - South Tyler | Tyler, TX | not published | $53.19 – $53.19 |
| CHRISTUS Trinity Mother Frances Hospital - Sulphur Springs | Sulphur Springs, TX | not published | $67.87 – $67.87 |
| CHRISTUS Trinity Mother Frances Hospital - Jacksonville | Jacksonville, TX | not published | $53.19 – $53.19 |
| CHRISTUS Trinity Mother Frances Louis & Peaches Owens Heart Hospital | Tyler, TX | not published | $53.19 – $53.19 |
| Texas Health Harris Methodist Hospital Southwest Fort Worth | Fort Worth, TX | not published | $253.13 – $273.38 |
| Texas Health Harris Methodist Hospital Southlake | Southlake, TX | not published | $253.13 – $273.38 |
| Texas Health Hospital Rockwall | Rockwall, TX | not published | $253.13 – $273.38 |
| Texas Health Presbyterian Hospital Plano | Plano, TX | not published | $253.13 – $273.38 |
| Texas Health Presbyterian Hospital Kaufman | Kaufman, TX | not published | $253.13 – $273.38 |
| Texas Health Heart & Vascular Hospital Arlington | Arlington, TX | not published | $253.13 – $273.38 |
| Texas Health Hospital Frisco | Frisco, TX | not published | $253.13 – $273.38 |
| Texas Health Presbyterian Hospital Flower Mound | Flower Mound, TX | not published | $253.13 – $273.38 |
| Texas Health Presbyterian Hospital Denton | Denton, TX | not published | $253.13 – $273.38 |
| Texas Health Harris Methodist Hospital Azle | Azle, TX | not published | $253.13 – $273.38 |
| Texas Health Center for Diagnostics and Surgery Plano | Plano, TX | not published | $253.13 – $273.38 |
| Texas Health Presbyterian Hospital Allen | Allen, TX | not published | $253.13 – $273.38 |
| Texas Health Arlington Memorial Hospital | Arlington, TX | not published | $253.13 – $273.38 |
| Texas Health Harris Methodist Hospital Alliance | Fort Worth, TX | not published | $253.13 – $273.38 |
| Adventhealth North Pinellas | Tarpon Springs, FL | not published | $128.92 – $286.20 |
| AdventHealth Deland | Deland, FL | not published | $122.47 – $257.11 |
| AdventHealth Castle Rock | Castle Rock, CO | not published | $126.34 – $238.50 |
| Ascension SE Wisconsin Hospital - St. Joseph Campus | Milwaukee, WI | not published | not published |
| Kadlec Regional Medical Center | Richland, WA | not published | $128.92 – $238.50 |
| Ascension Seton Medical Center Austin (Ascension Seton) | Austin, TX | not published | $66.66 – $66.66 |
| Providence St Mary Medical Center | Walla Walla, WA | not published | $128.92 – $238.50 |
| Providence Milwaukie Hospital | Milwaukie, OR | not published | $126.86 – $257.84 |
| Adventhealth Hendersonville | Hendersonville, NC | not published | $128.92 – $321.91 |
| Adventhealth Carrollwood | Tampa, FL | not published | $128.92 – $286.20 |
| Ascension Seton Highland Lakes (Ascension Seton) | Burnet, TX | not published | $66.66 – $66.66 |
| Swedish Edmonds Hospital | Edmonds, WA | not published | $128.92 – $238.50 |