#flow interp 9 - 15 markers cost at US hospitals
#FLOW INTERP 9 - 15 MARKERS · CPT 88188
$22.50
lowest cash price
$172.50
national median
$1,265.55
highest cash price
293
hospitals with a published cash price
Middle half of hospitals (25th–75th percentile) against the full range. The same procedure varies $22.50–$1,265.55 — the variation is the story.
Median cash price over time
Oct 1, 2025 ($121.55) → Sep 1, 2026 ($288.00)
By state
| State | Hospitals | Lowest cash | Median | Highest |
|---|---|---|---|---|
| Alaska | 2 | not published by hospital | not published by hospital | not published by hospital |
| Arizona | 1 | $285.67 | $285.67 | $285.67 |
| Arkansas | 9 | $50.44 | $105.30 | $531.00 |
| California | 46 | $141.44 | $260.96 | $260.96 |
| Colorado | 8 | not published by hospital | not published by hospital | not published by hospital |
| Florida | 64 | $30.00 | $194.04 | $343.20 |
| Georgia | 24 | $26.27 | $249.00 | $249.00 |
| Hawaii | 1 | $237.75 | $237.75 | $237.75 |
| Illinois | 39 | $85.20 | $207.36 | $522.00 |
| Indiana | 25 | not published by hospital | not published by hospital | not published by hospital |
| Iowa | 14 | $85.20 | $155.20 | $155.20 |
| Kansas | 10 | $564.21 | $564.21 | $564.21 |
| Kentucky | 2 | not published by hospital | not published by hospital | not published by hospital |
| Louisiana | 4 | not published by hospital | not published by hospital | not published by hospital |
| Maine | 7 | not published by hospital | not published by hospital | not published by hospital |
| Michigan | 25 | $46.53 | $81.72 | $81.72 |
| Minnesota | 2 | not published by hospital | not published by hospital | not published by hospital |
| Mississippi | 2 | $78.10 | $78.10 | $142.00 |
| Missouri | 17 | $117.15 | $281.60 | $281.60 |
| Montana | 1 | not published by hospital | not published by hospital | not published by hospital |
| 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 | not published by hospital | not published by hospital | not published by hospital |
| New York | 23 | $150.78 | $187.91 | $961.20 |
| North Carolina | 13 | $27.00 | $27.00 | $27.00 |
| North Dakota | 2 | not published by hospital | not published by hospital | not published by hospital |
| Ohio | 42 | $71.00 | $1,265.55 | $1,265.55 |
| Oklahoma | 17 | $82.90 | $189.15 | $1,036.20 |
| Oregon | 12 | $89.64 | $172.50 | $305.15 |
| Pennsylvania | 22 | $55.20 | $303.00 | $1,141.20 |
| South Carolina | 8 | not published by hospital | not published by hospital | not published by hospital |
| South Dakota | 3 | $229.60 | $229.60 | $229.60 |
| Tennessee | 25 | $93.54 | $93.54 | $133.67 |
| Texas | 118 | $48.13 | $564.24 | $564.24 |
| Virginia | 20 | not published by hospital | not published by hospital | not published by hospital |
| Washington | 30 | $42.70 | $104.58 | $901.60 |
| West Virginia | 11 | $22.50 | $65.50 | $123.50 |
| Wisconsin | 34 | $63.07 | $70.49 | $263.34 |
All hospitals
| Hospital | Location | Cash price | Negotiated range |
|---|---|---|---|
| Houston Methodist The Woodlands Hospital | The Woodlands, TX | not published | $274.35 – $274.35 |
| Houston Methodist Clear Lake Hospital | Nassau Bay, TX | not published | $108.16 – $108.16 |
| Houston Methodist Willowbrook Hospital | Houston, TX | not published | $274.35 – $274.35 |
| Houston Methodist Baytown Hospital | Baytown, TX | not published | $274.35 – $274.35 |
| Houston Methodist West Hospital | Houston, TX | not published | $274.35 – $274.35 |
| Houston Methodist Sugar Land Hospital | Sugar Land, TX | not published | $274.35 – $274.35 |
| Houston Methodist Hospital | Houston, TX | not published | $274.35 – $274.35 |
| MEDICAL CITY FORT WORTH HOSPITAL | FT WORTH, TX | not published | $62.81 – $167.18 |
| Ascension St. Vincent Heart Center (St. Vincent Heart Center of Indiana, LLC) | Carmel, IN | not published | $10.32 – $143.75 |
| Texas Health Hospital Mansfield | Mansfield, TX | not published | $66.04 – $263.52 |
| Texas Health Harris Methodist Hospital Cleburne | Cleburne, TX | not published | $16.55 – $16.55 |
| OSF Saint Francis Medical Center | Peoria, IL | not published | $69.27 – $69.27 |
| OSF Saint Anthony's Health Center | Alton, IL | not published | $22.09 – $154.22 |
| OSF Saint Anthony Medical Center | Rockford, IL | not published | $69.27 – $69.27 |
| Parkview Whitley Hospital & Parkview Kosciusko Hospital | Columbia City, IN | not published | $104.66 – $132.08 |
| Parkview Ortho Hospital | Fort Wayne, IN | not published | $104.66 – $132.08 |
| Parkview Noble Hospital | Kendallville, IN | not published | $104.66 – $132.08 |
| Parkview Wabash Hospital | Wabash, IN | not published | $104.66 – $132.08 |
| Parkview Logansport Hospital | Logansport, IN | not published | $109.71 – $278.23 |
| Parkview LaGrange Hospital | Lagrange, IN | not published | $104.66 – $132.08 |
| Parkview Huntington Hospital | Huntington, IN | not published | $104.66 – $132.08 |
| Parkview DeKalb Hospital | Auburn, IN | not published | $104.66 – $132.08 |
| Parkview Regional Medical Center & Parkview Hospital Randallia | Fort Wayne, IN | not published | $104.66 – $132.08 |
| Parkwest Medical Center | Knoxville, TN | not published | $53.68 – $197.49 |
| Morristown-Hamblen Hospital Association | Morristown, TN | not published | $66.04 – $197.49 |
| Methodist Medical Center of Oak Ridge | Oak Ridge, TN | not published | $66.04 – $197.49 |
| LeConte Medical Center | Sevierville, TN | not published | $66.04 – $197.49 |
| MEDICAL CITY ARGYLE HOSPITAL | Argyle, TX | not published | $62.81 – $160.80 |
| Fort Sanders Regional Medical Center | Knoxville, TN | not published | $66.04 – $197.49 |
| Fort Loudoun Medical Center | Lenoir City, TN | not published | $66.04 – $197.49 |
| CHRISTUS Health - West Beaumont | Beaumont, TX | not published | $53.34 – $253.91 |
| CHRISTUS St. Michael Hospital - Atlanta | Atlanta, TX | not published | $35.56 – $311.94 |
| CHRISTUS Good Shepherd Medical Center - Longview | Longview, TX | not published | $35.56 – $150.25 |
| CHRISTUS Spohn Hospital Corpus Christi - Shoreline | Corpus Christi, TX | not published | $10.50 – $232.80 |
| CHRISTUS St. Michael Rehabilitation | Texarkana, TX | not published | $35.56 – $192.78 |
| Cumberland Medical Center, Inc. | Crossville, TN | not published | $66.04 – $197.49 |
| Claiborne Medical Center | Tazewell, TN | not published | $66.04 – $197.49 |
| CHRISTUS Spohn Hospital - Kleberg | Kingsville, TX | not published | $10.50 – $272.37 |
| CHRISTUS Spohn Hospital - Beeville | Beeville, TX | not published | $10.50 – $265.12 |
| CHRISTUS Spohn Hospital - Alice | Alice, TX | not published | $10.50 – $262.48 |
| Roane County Medical Center | Harriman, TN | not published | $66.04 – $197.49 |
| Texas Health Harris Methodist Hospital Stephenville | Stephenville, TX | not published | $16.55 – $16.55 |
| CHRISTUS Southeast Texas Jasper Memorial | Jasper, TX | not published | $53.34 – $356.13 |
| Texas Health Harris Methodist Hospital Fort Worth | Fort Worth, TX | not published | $16.55 – $16.55 |
| GREENVIEW REGIONAL HOSPITAL | BOWLING GREEN, KY | not published | $62.81 – $65.60 |
| CHRISTUS Santa Rosa Hospital - San Marcos | San Marcos, TX | not published | $141.24 – $400.46 |
| CHRISTUS Trinity Mother Frances Hospital - Winnsboro | Winnsboro, TX | not published | $35.56 – $203.13 |
| CHRISTUS Trinity Mother Frances Hospital - South Tyler | Tyler, TX | not published | $35.56 – $203.13 |
| CHRISTUS Trinity Mother Frances Hospital - Sulphur Springs | Sulphur Springs, TX | not published | $259.18 – $259.18 |
| CHRISTUS Trinity Mother Frances Hospital - Jacksonville | Jacksonville, TX | not published | $35.56 – $203.13 |