Serial tonometry cost at US hospitals
SERIAL TONOMETRY · CPT 92100
$17.46
lowest cash price
$144.33
national median
$605.80
highest cash price
84
hospitals with a published cash price
Middle half of hospitals (25th–75th percentile) against the full range. The same procedure varies $17.46–$605.80 — the variation is the story.
Median cash price over time
Sep 1, 2025 ($76.25) → Jun 1, 2026 ($144.33)
By state
| State | Hospitals | Lowest cash | Median | Highest |
|---|---|---|---|---|
| Alaska | 5 | $373.62 | $373.62 | $429.78 |
| California | 15 | $76.65 | $118.32 | $355.98 |
| Colorado | 6 | not published by hospital | not published by hospital | not published by hospital |
| Florida | 48 | $174.20 | $174.20 | $605.80 |
| Illinois | 15 | $122.50 | $122.50 | $169.60 |
| Indiana | 16 | not published by hospital | not published by hospital | not published by hospital |
| Iowa | 11 | $169.60 | $169.60 | $169.60 |
| Kansas | 3 | not published by hospital | not published by hospital | not published by hospital |
| Maine | 7 | $76.25 | $76.25 | $76.25 |
| Michigan | 18 | $36.31 | $36.31 | $36.31 |
| Minnesota | 2 | $136.00 | $136.00 | $136.00 |
| Missouri | 9 | $60.36 | $60.36 | $60.36 |
| Montana | 1 | $253.60 | $253.60 | $253.60 |
| New Hampshire | 1 | not published by hospital | not published by hospital | not published by hospital |
| New Jersey | 21 | not published by hospital | not published by hospital | not published by hospital |
| New Mexico | 1 | $105.00 | $105.00 | $105.00 |
| New York | 11 | not published by hospital | not published by hospital | not published by hospital |
| North Carolina | 12 | not published by hospital | not published by hospital | not published by hospital |
| North Dakota | 2 | $211.20 | $211.20 | $211.20 |
| Ohio | 22 | $174.20 | $174.20 | $174.20 |
| Oklahoma | 9 | not published by hospital | not published by hospital | not published by hospital |
| Oregon | 8 | $359.25 | $384.75 | $413.25 |
| South Dakota | 2 | not published by hospital | not published by hospital | not published by hospital |
| Tennessee | 6 | not published by hospital | not published by hospital | not published by hospital |
| Texas | 36 | $17.46 | $131.02 | $144.33 |
| Virginia | 2 | not published by hospital | not published by hospital | not published by hospital |
| Washington | 11 | $103.60 | $126.70 | $212.80 |
| Wisconsin | 9 | $29.68 | $29.68 | $29.68 |
All hospitals
| Hospital | Location | Cash price | Negotiated range |
|---|---|---|---|
| Ascension Seton Northwest (Ascension Seton) | Austin, TX | $17.46 | $33.72 – $143.59 |
| Ascension Seton Medical Center Austin (Ascension Seton) | Austin, TX | $17.46 | $33.72 – $143.59 |
| Ascension Columbia St. Mary's Hospital - Ozaukee Campus (Columbia St. Mary's Hospital Milwaukee, Inc.) | Mequon, WI | $29.68 | $53.02 – $297.74 |
| Henry Ford Hospital | Detroit MI 48202 | 19401 Hubbard Dr., MI | $36.31 | $16.61 – $126.63 |
| Henry Ford West Bloomfield Hospital | West Bloomfield, MI | $36.31 | $16.61 – $126.63 |
| Henry Ford Wyandotte Hospital: | Wyandotte, MI | $36.31 | $16.61 – $126.63 |
| Henry Ford Macomb Hospital | Clinton Twp, MI | $36.31 | $16.61 – $133.62 |
| SSM Health St. Mary's Hospital - Jefferson City | Jefferson City, MO | $60.36 | $60.62 – $60.62 |
| Stephens Memorial Hospital | Norway, ME | $76.25 | $29.74 – $71.07 |
| Providence Little Co of Mary Med Center San Pedro | San Pedro, CA | $76.65 | $115.31 – $164.68 |
| Providence Little Company of Mary Med Center Torrance | Torrance, CA | $76.65 | $158.18 – $188.17 |
| Providence Cedars-Sinai Tarzana Medical Center | Tarzana, CA | $79.80 | $115.31 – $201.15 |
| Providence Holy Cross Medical Center | Mission Hills, CA | $88.20 | $115.31 – $159.59 |
| Providence Saint Joseph Medical Center | Burbank, CA | $88.20 | $201.55 – $223.01 |
| Providence Mount Carmel Hospital | Colville, WA | $103.60 | not published |
| Covenant Hospital Levelland | Levelland, TX | $105.00 | $74.56 – $82.69 |
| Covenant Health Hobbs Hospital | Hobbs, NM | $105.00 | not published |
| Healdsburg Hospital | Healdsburg, CA | $106.08 | $139.43 – $139.43 |
| Providence St Joseph Hospital | Chewelah, WA | $109.20 | not published |
| Providence Saint John's Health Center | Santa Monica, CA | $113.40 | $205.25 – $223.01 |
| Covenant Hospital Plainview | Plainview, TX | $114.24 | $73.01 – $74.56 |
| Providence Regional Medical Center Everett - Colby Campus | Everett, WA | $114.40 | not published |
| Santa Rosa Memorial Hospital | Santa Rosa, CA | $118.32 | $262.23 – $262.23 |
| Queen of The Valley Medical Center | Napa, CA | $118.83 | $308.23 – $308.23 |
| Advocate Sherman Hospital | Elgin, IL | $122.50 | $96.53 – $235.34 |
| Advocate Trinity Hospital | Chicago, IL | $122.50 | $96.53 – $500.25 |
| Advocate Condell Medical Center | Libertyville, IL | $122.50 | $96.53 – $308.29 |
| Advocate Good Samaritan Hospital | Downers Grove, IL | $122.50 | $96.53 – $500.25 |
| Providence Sacred Heart Medical Center and Children's Hospital | Spokane, WA | $123.20 | not published |
| Providence Holy Family Hospital | Spokane, WA | $126.70 | not published |
| Covenant Specialty Hospital | Lubbock, TX | $127.26 | not published |
| Covenant Medical Center | Lubbock, TX | $127.26 | $117.99 – $366.24 |
| Covenant Children's Hospital | Lubbock, TX | $127.26 | $117.99 – $117.99 |
| BAYLOR SCOTT & WHITE MEDICAL CENTER - BUDA | Suite 110, TX | $131.02 | $26.20 – $163.77 |
| BAYLOR SCOTT & WHITE MEDICAL CENTER - PFLUGERVILLE | Suite 100, TX | $131.02 | $24.02 – $196.52 |
| BAYLOR SCOTT & WHITE EMERGENCY MEDICAL CENTER - CEDAR PARK | Cedar Park, TX | $131.02 | $43.67 – $196.52 |
| BAYLOR SCOTT & WHITE MEDICAL CENTER - TAYLOR | Taylor, TX | $131.02 | $41.49 – $174.69 |
| Sanford Bemidji Medical Center | Bemidji, MN | $136.00 | $1.02 – $153.00 |
| BAYLOR SCOTT & WHITE MEDICAL CENTER - BRENHAM | Brenham, TX | $144.33 | $29.71 – $216.50 |
| BAYLOR SCOTT & WHITE MEDICAL CENTER - COLLEGE STATION | College Station, TX | $144.33 | $46.33 – $216.50 |
| BAYLOR SCOTT & WHITE CONTINUING CARE HOSPITAL | Temple, TX | $144.33 | $74.57 – $216.50 |
| BAYLOR SCOTT & WHITE MEDICAL CENTER HILLCREST | Waco, TX | $144.33 | $28.87 – $204.47 |
| BAYLOR SCOTT & WHITE MCLANE CHILDREN'S MEDICAL CENTER | Temple, TX | $144.33 | $36.08 – $216.50 |
| UnityPoint Health - Allen Hospital | Waterloo, IA | $169.60 | $29.48 – $77.58 |
| UnityPoint Health - Finley Hospital | Dubuque, IA | $169.60 | $29.48 – $195.04 |
| UnityPoint Health - Grinnell Regional Medical Center | Grinnell, IA | $169.60 | $29.48 – $77.58 |
| UnityPoint Health - Iowa Lutheran Hospital | Des Moines, IA | $169.60 | $29.48 – $77.58 |
| UnityPoint Health - Jones Regional Medical Center | Anamosa, IA | $169.60 | $29.48 – $77.58 |
| UnityPoint Health - Marshalltown | Marshalltown, IA | $169.60 | $29.48 – $77.58 |
| UnityPoint Health - St. Lukes Downtown | Sioux City, IA | $169.60 | $29.48 – $77.58 |