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 |
|---|---|---|---|
| SSM Health St. Joseph Hospital - St. Charles | Saint Charles, MO | not published | $35.49 – $35.49 |
| HCA HOUSTON MEDICAL CENTER | Houston, TX | not published | $80.96 – $437.42 |
| HCA HOUSTON CLEAR LAKE | FRIENDSWOOD, TX | not published | $80.96 – $437.42 |
| Clara Maass Medical Center | Belleville, NJ | not published | $26.24 – $26.24 |
| Community Medical Center | Toms River, NJ | not published | $27.20 – $27.20 |
| Atrium Health Anson | Wadesboro, NC | not published | $29.75 – $133.09 |
| Berger Hospital | Circleville, OH | not published | $71.27 – $71.27 |
| UnityPoint Health - Meriter Hospital | Madison, WI | not published | $29.85 – $128.06 |
| Providence St Luke's Rehabilitation Medical Center | Spokane, WA | not published | $111.89 – $111.89 |
| Ascension Columbia St. Mary's Hospital - Milwaukee Campus (Columbia St. Mary's Hospital Milwaukee, Inc.) | Milwaukee, WI | not published | $53.02 – $297.74 |
| HCA FLORIDA PUTNAM HOSPITAL | Palatka, FL | not published | $38.00 – $40.00 |
| SSM Health St. Anthony Hospital - Midwest | Midwest City, OK | not published | $49.01 – $115.65 |
| HCA FLORIDA PALMS WEST HOSPITAL | LOXAHATCHEE, FL | not published | $38.00 – $38.80 |
| HCA FLORIDA NORTHWEST HOSPITAL | MARGATE, FL | not published | $38.00 – $38.80 |
| Advocate Christ Medical Center | Oak Lawn, IL | not published | $451.94 – $514.33 |
| HCA HOUSTON PEARLAND | Pearland, TX | not published | $80.96 – $437.42 |
| Trinitas Regional Medical Center | Elizabeth, NJ | not published | $41.76 – $44.12 |
| Lincoln Health | Damariscotta, ME | not published | $31.55 – $163.83 |
| HCA FLORIDA NORTH FLORIDA HOSPITAL | NEWBERRY, FL | not published | $38.00 – $40.00 |
| Ascension Saint Alexius Women And Children's Hospital (Ascension St. Alexius Medical Center) | Hoffman Estates, IL | not published | $272.70 – $288.96 |
| Ascension St. Vincent's Clay County (St. Vincent's Medical Center, Inc.) | Middleburg, FL | not published | $196.90 – $196.90 |
| Ascension Saint Joseph - Chicago (Presence Chicago Hospital Network) | Chicago, IL | not published | $184.80 – $273.28 |
| Ascension Alexian Brothers Rehabilitation Hospital (Alexian Brothers Medical Center) | Elk Grove Village, IL | not published | $272.70 – $288.96 |
| Ascension Alexian Brothers Behavioral Health Hospital | Hoffman Estates, IL | not published | $283.36 – $288.96 |
| Texas Health Hospital Mansfield | Mansfield, TX | not published | $47.44 – $47.44 |
| AdventHealth Littleton | Littleton, CO | not published | $56.56 – $56.56 |
| Ascension St. Vincent's Southside (St. Luke's-St. Vincent's HealthCare, Inc.) | Jacksonville, FL | not published | $196.90 – $196.90 |
| Midwest Orthopedic Specialty Hospital | Franklin, WI | not published | $264.15 – $264.15 |
| Ascension Providence | Waco, TX | not published | $57.43 – $85.46 |
| North Central Bronx | Bronx, NY | not published | $0.01 – $645.00 |
| Ascension St. Vincent's Riverside (St. Vincent's Medical Center, Inc.) | Jacksonville, FL | not published | $196.90 – $196.90 |
| Ascension St. Vincent's St. Johns County (St. Vincent's Health System, Inc.) | Saint Johns, FL | not published | $196.90 – $196.90 |
| Corewell Health Wayne | Wayne, MI | not published | $42.02 – $113.05 |
| Ascension Saint Thomas Hickman | Centerville, TN | not published | $137.14 – $171.42 |
| Ascension Saint Thomas Rutherford | Murfreesboro, TN | not published | $38.44 – $171.42 |
| Corewell Health Troy | Troy, MI | not published | $42.02 – $129.76 |
| Ascension Saint Thomas River Park | McMinnville, TN | not published | $57.43 – $171.42 |
| Corewell Health Trenton | Trenton, MI | not published | $42.02 – $100.84 |
| Henry Ford Warren Hospital | Warren, MI | not published | $66.65 – $105.60 |
| Corewell Health Taylor | Taylor, MI | not published | $42.02 – $132.40 |
| Henry Ford Madison Heights Hospital | Madison Heights, MI | not published | $66.65 – $105.60 |
| Corewell Health Gross Pointe | Grosse Pointe, MI | not published | $42.02 – $130.39 |
| Ascension Saint Thomas DeKalb | Smithville, TN | not published | $38.44 – $171.42 |
| Ascension St. John Broken Arrow (St. John Broken Arrow, Inc.) | Jenks, OK | not published | $37.80 – $56.48 |
| Corewell Health Blodgett Hospital | East Grand Rapids, MI | not published | $104.71 – $104.71 |
| Ascension St. John Sapulpa (St. John Sapulpa, Inc.) | Sapulpa, OK | not published | $37.80 – $63.27 |
| Ascension St. John Nowata (Jane Phillips Nowata Hospital, Inc.) | Nowata, OK | not published | $37.80 – $63.27 |
| Ascension St. John Jane Phillips (Jane Phillips Memorial Medical Center, Inc.) | Bartlesville, OK | not published | $37.80 – $63.27 |
| Ascension St. John Owasso (Owasso Medical Facility, Inc.) | Owasso, OK | not published | $37.80 – $71.71 |
| Ascension Saint Thomas Highlands | Sparta, TN | not published | $38.44 – $171.42 |