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 |
|---|---|---|---|
| Sanford USD Medical Center | Sioux Falls, SD | not published | $1.00 – $85.85 |
| HCA HealthONE SOUTH PARKER ER, A PART OF SKY RIDGE | PARKER, CO | not published | $38.00 – $38.80 |
| SSM Health Saint Louis University Hospital | Saint Louis, MO | not published | $40.75 – $40.75 |
| SSM Health DePaul Hospital - St. Louis | Bridgeton, MO | not published | $35.49 – $35.49 |
| Providence Alaska Medical Center | Anchorage, AK | not published | $370.74 – $370.74 |
| Ascension St. Vincent Seton (St. Vincent Seton Specialty Hospital, Inc.) | Indianapolis, IN | not published | $5.86 – $55.30 |
| SSM Health St. Clare Hospital - Fenton | Fenton, MO | not published | $35.49 – $35.49 |
| Ascension St. Vincent Carmel Ambulatory Surgery Center | Carmel, IN | not published | $5.84 – $55.30 |
| HCA FLORIDA BAYONET POINT HOSPITAL | HUDSON, FL | not published | $38.00 – $38.80 |