Diffusing capacity cost at US hospitals
HC Diffusing Capacity · CPT 94729
$18.00
lowest cash price
$336.80
national median
$2,951.35
highest cash price
841
hospitals with a published cash price
Middle half of hospitals (25th–75th percentile) against the full range. The same procedure varies $18.00–$2,951.35 — the variation is the story.
Median cash price over time
Sep 1, 2025 ($368.05) → Sep 1, 2026 ($882.73)
By state
| State | Hospitals | Lowest cash | Median | Highest |
|---|---|---|---|---|
| Alaska | 3 | $511.68 | $511.68 | $802.62 |
| Arizona | 19 | $22.54 | $151.09 | $446.29 |
| Arkansas | 6 | $65.85 | $115.14 | $308.75 |
| California | 88 | $67.20 | $375.36 | $1,195.44 |
| Colorado | 10 | $142.80 | $1,588.00 | $2,645.96 |
| Florida | 72 | $271.68 | $683.00 | $2,816.35 |
| Georgia | 24 | $208.68 | $541.71 | $1,719.00 |
| Hawaii | 2 | $186.56 | $186.56 | $264.00 |
| Illinois | 49 | $107.58 | $272.50 | $1,076.40 |
| Indiana | 25 | $220.00 | $339.60 | $413.40 |
| Iowa | 26 | $18.00 | $253.52 | $548.00 |
| Kansas | 9 | $167.60 | $1,504.03 | $2,056.71 |
| Kentucky | 19 | $64.60 | $198.80 | $399.60 |
| Louisiana | 2 | $277.94 | $277.94 | $277.94 |
| Maine | 7 | $268.75 | $368.05 | $410.95 |
| Maryland | 2 | $65.40 | $65.40 | $65.40 |
| Michigan | 27 | $72.39 | $158.00 | $411.00 |
| Minnesota | 18 | $234.40 | $336.80 | $370.40 |
| Mississippi | 7 | $46.64 | $79.50 | $134.20 |
| Missouri | 18 | $123.75 | $475.75 | $1,371.56 |
| Montana | 2 | $113.60 | $113.60 | $212.80 |
| Nebraska | 13 | $259.34 | $383.00 | $541.45 |
| Nevada | 4 | $179.99 | $181.91 | $251.11 |
| New Hampshire | 1 | $303.45 | $303.45 | $303.45 |
| New Jersey | 21 | $116.10 | $182.88 | $218.44 |
| New Mexico | 2 | $123.06 | $123.06 | $123.06 |
| New York | 22 | $139.21 | $227.90 | $1,558.00 |
| North Carolina | 14 | $237.00 | $428.03 | $782.00 |
| North Dakota | 4 | $360.80 | $360.80 | $402.40 |
| Ohio | 55 | $91.50 | $302.90 | $529.50 |
| Oklahoma | 14 | $71.04 | $266.20 | $1,333.20 |
| Oregon | 13 | $25.38 | $309.00 | $537.00 |
| Pennsylvania | 31 | $34.50 | $477.60 | $1,176.60 |
| South Carolina | 10 | $155.50 | $227.00 | $1,209.00 |
| South Dakota | 4 | $228.00 | $240.00 | $408.80 |
| Tennessee | 37 | $54.40 | $100.35 | $1,540.42 |
| Texas | 110 | $92.43 | $415.50 | $2,951.35 |
| Virginia | 31 | $98.21 | $350.00 | $682.20 |
| Washington | 31 | $184.80 | $236.64 | $669.90 |
| West Virginia | 17 | $86.00 | $176.50 | $424.00 |
| Wisconsin | 30 | $157.30 | $285.00 | $393.80 |
| Wyoming | 4 | $199.92 | $200.57 | $272.08 |
All hospitals
| Hospital | Location | Cash price | Negotiated range |
|---|---|---|---|
| Moreno Valley Medical Center | MORENO VALLEY, CA | $448.76 | not published |
| Northwestern Medicine Palos Hospital | Palos Heights, IL | $450.80 | not published |
| Allen Hospital | Oberlin, OH | $457.20 | not published |
| HSHS St. Mary's Hospital | DECATUR, IL | $457.92 | $52.41 – $636.00 |
| Providence Centralia Hospital | Centralia, WA | $459.68 | not published |
| Providence St Peter Hospital | Olympia, WA | $459.68 | not published |
| Providence Newberg Medical Center | Newberg, OR | $462.00 | not published |
| Providence Portland Medical Center | Portland, OR | $462.00 | not published |
| Providence St Vincent Medical Center | Portland, OR | $462.00 | not published |
| Providence Willamette Falls Medical Center | Oregon City, OR | $462.00 | not published |
| Providence Milwaukie Hospital | Milwaukie, OR | $462.00 | not published |
| Ascension St. Vincent's Clay County (St. Vincent's Medical Center, Inc.) | Middleburg, FL | $462.13 | $108.38 – $108.38 |
| Ascension St. Vincent's St. Johns County (St. Vincent's Health System, Inc.) | Saint Johns, FL | $462.13 | $108.38 – $108.38 |
| Ascension St. Vincent's Riverside (St. Vincent's Medical Center, Inc.) | Jacksonville, FL | $462.13 | $108.38 – $108.38 |
| Ascension St. Vincent's Southside (St. Luke's-St. Vincent's HealthCare, Inc.) | Jacksonville, FL | $462.13 | $108.38 – $108.38 |
| Dell Children's Medical Center (Ascension Seton) | Austin, TX | $465.33 | $47.32 – $194.43 |
| Mercy Medical Center Mt. Shasta | Mt Shasta, CA | $468.36 | $65.55 – $589.96 |
| HSHS St. Joseph's Hospital | HIGHLAND, IL | $468.72 | $116.18 – $651.00 |
| CHI Health St. Francis | Grand Island, NE | $469.64 | $90.38 – $748.24 |
| WellSpan Evangelical Community Hospital | Lewisburg, PA | $471.40 | $43.49 – $51.40 |
| Mercy Medical Center Merced | Merced, CA | $475.35 | $55.31 – $192.06 |
| SSM Health St. Clare Hospital - Fenton | Fenton, MO | $475.75 | $45.90 – $45.90 |
| SSM Health DePaul Hospital - St. Louis | Bridgeton, MO | $475.75 | $45.90 – $45.90 |
| SSM Health St. Joseph Hospital- Wentzville | Wentzville, MO | $475.75 | $45.90 – $45.90 |
| SSM Health St. Joseph Hospital - St. Charles | Saint Charles, MO | $475.75 | $45.90 – $45.90 |
| SSM Health St. Mary's Hospital - St. Louis | Richmond Heights, MO | $475.75 | $45.90 – $45.90 |
| SSM Health St. Joseph Hospital - Lake Saint Louis | Lake Saint Louis, MO | $475.75 | $45.90 – $45.90 |
| WellSpan Chambersburg Hospital | Chambersburg, PA | $477.60 | $41.40 – $429.84 |
| WellSpan Waynesboro Hospital | Waynesboro, PA | $477.60 | $41.71 – $56.15 |
| WellSpan Good Samaritan Hospital | Lebanon, PA | $477.60 | $49.43 – $134.44 |
| BAYLOR SCOTT & WHITE MEDICAL CENTER - BUDA | Suite 110, TX | $478.63 | $95.73 – $598.29 |
| BAYLOR SCOTT & WHITE MEDICAL CENTER - PFLUGERVILLE | Suite 100, TX | $478.63 | $87.75 – $717.95 |
| BAYLOR SCOTT & WHITE EMERGENCY MEDICAL CENTER - CEDAR PARK | Cedar Park, TX | $478.63 | $141.49 – $717.95 |
| BAYLOR SCOTT & WHITE MEDICAL CENTER - TAYLOR | Taylor, TX | $478.63 | $141.49 – $638.18 |
| CHRISTUS Santa Rosa Emergency Center - Alon | San Antonio, TX | $478.83 | $46.03 – $259.00 |
| CHI Health Good Samaritan | Kearney, NE | $480.68 | $90.38 – $732.84 |
| SKYLINE MADISON CAMPUS | NASHVILLE, TN | $490.17 | $51.18 – $51.18 |
| CHI Health St. Mary's | Nebraska City, NE | $491.36 | $126.81 – $568.32 |
| indian river hospital | Vero Beach, FL | $491.40 | $28.44 – $754.00 |
| UPMC Wellsboro | Wellsboro, PA | $498.40 | $42.39 – $72.88 |
| University Hospitals Beachwood Medical Center | Beachwood, OH | $504.00 | $27.64 – $604.80 |
| University Hospitals Elyria Medical Center | Elyria, OH | $504.00 | $58.56 – $105.40 |
| University Hospitals St. John Medical Center | Westlake OH, OH | $504.00 | $58.56 – $105.40 |
| University Hospitals Lake West Medical Center | Willoughby OH 44094|7590 Auburn Road, OH | $504.00 | $33.38 – $105.40 |
| University Hospitals Parma Medical Center | Parma OH 44129|7007 Powers Boulevard, OH | $504.00 | $58.56 – $105.40 |
| University Hospitals Portage Medical Center | Ravenna OH 44266, OH | $504.00 | $58.56 – $105.40 |
| University Hospitals Regional Hospitals - Geauga Medical Center | Chardon, OH | $504.00 | $58.56 – $105.40 |
| University Hospitals Ahuja Medical Center | Beachwood, OH | $504.00 | $58.56 – $604.80 |
| LAFAYETTE REGIONAL HEALTH CENTER | Lexington, MO | $505.84 | $42.11 – $43.79 |
| UnityPoint Health - Iowa Lutheran Hospital | Des Moines, IA | $510.27 | $8.07 – $187.52 |