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 |
|---|---|---|---|
| OSF St Mary Medical Center | Galesburg, IL | $253.80 | not published |
| University Hospitals Conneaut Medical Center | Conneaut, OH | $256.50 | not published |
| University Hospitals Geneva Medical Center | Geneva, OH | $256.50 | not published |
| East Morgan County Hospital | Brush, CO | $258.93 | $173.20 – $398.67 |
| Ogallala Community Hospital | Ogallala, NE | $259.34 | $180.84 – $398.67 |
| MultiCare Valley Hospital | Spokane Valley, WA | $261.60 | $35.31 – $37.38 |
| MultiCare Deaconess Hospital | Spokane, WA | $261.60 | $35.56 – $37.65 |
| Ascension Saint Thomas Highlands | Sparta, TN | $263.46 | $31.15 – $92.92 |
| Ascension Saint Thomas DeKalb | Smithville, TN | $263.46 | $31.15 – $92.92 |
| Ascension Saint Thomas River Park | McMinnville, TN | $263.46 | $31.15 – $92.92 |
| Ascension Saint Thomas Rutherford | Murfreesboro, TN | $263.46 | $35.30 – $92.92 |
| Moanalua Medical Center | HONOLULU, HI | $264.00 | not published |
| SSM Health St. Anthony Hospital - Shawnee | Shawnee, OK | $266.20 | $68.97 – $82.99 |
| Virginia Mason Medical Center | Seattle, WA | $266.73 | $1.73 – $371.53 |
| Community Hospital | Torrington, WY | $267.15 | $180.84 – $398.67 |
| Ascension St. Vincent Salem (St. Vincent Salem Hospital, Inc.) | Salem, IN | $267.60 | $6.56 – $46.25 |
| California Hospital Medical Center | Los Angeles, CA | $267.72 | $55.02 – $552.00 |
| Providence Hood River Memorial Hospital | Hood River, OR | $268.50 | not published |
| Stephens Memorial Hospital | Norway, ME | $268.75 | $8.67 – $250.48 |
| HCA FLORIDA PASADENA HOSPITAL | South Pasadena, FL | $271.68 | $47.50 – $48.50 |
| Platte County Hospital | Wheatland, WY | $272.08 | $197.28 – $398.67 |
| Advocate Illinois Masonic Medical Center | Chicago, IL | $272.50 | $140.00 – $516.79 |
| Advocate Childrens Hospital - Park Ridge | Park Ridge, IL | $272.50 | $140.00 – $508.59 |
| Advocate Sherman Hospital | Elgin, IL | $272.50 | $145.00 – $490.50 |
| Advocate South Suburban Hospital | Hazel Crest, IL | $272.50 | $140.00 – $530.83 |
| Advocate Trinity Hospital | Chicago, IL | $272.50 | $140.00 – $513.67 |
| Advocate Christ Medical Center | Oak Lawn, IL | $272.50 | $140.00 – $501.56 |
| Advocate Condell Medical Center | Libertyville, IL | $272.50 | $143.00 – $436.00 |
| Advocate Good Samaritan Hospital | Downers Grove, IL | $272.50 | $140.00 – $513.67 |
| Redwood Memorial Hospital | Fortuna, CA | $272.85 | $371.35 – $371.35 |
| Berger Hospital | Circleville, OH | $273.00 | $121.91 – $121.91 |
| Tug Valley ARH Regional Medical Center | Williamson, KY | $275.40 | not published |
| MercyOne Des Moines Medical Center | Des Moines, IA | $276.25 | $5.93 – $425.00 |
| CHRISTUS St. Francis Cabrini Hospital | Alexandria, LA | $277.94 | $127.80 – $301.00 |
| New Ulm Medical Center | MN 56073, MN | $279.55 | $161.45 – $447.57 |
| UnityPoint Health - Trinity Bettendorf | Bettendorf, IA | $280.46 | $8.07 – $137.42 |
| UnityPoint Health - Trinity Moline | Rock Island, IL | $280.46 | $8.07 – $154.60 |
| UnityPoint Health - Trinity Muscatine | Muscatine, IA | $280.46 | $8.07 – $143.73 |
| Riverside Methodist Hospital | Columbus, OH | $282.75 | not published |
| Dublin Methodist Hospital | Dublin, OH | $282.75 | not published |
| Grant Medical Center | Columbus, OH | $282.75 | not published |
| Doctors Hospital | Columbus, OH | $282.75 | not published |
| Lincoln Health | Damariscotta, ME | $283.40 | $8.67 – $17.62 |
| St. Mary Medical Center | Long Beach, CA | $283.80 | $48.20 – $660.00 |
| Aurora Baycare Medical Center | Green Bay, WI | $285.00 | not published |
| Aurora Medical Center Bay Area | Marinette, WI | $285.00 | not published |
| Aurora Medical Center Burlington | Burlington, WI | $285.00 | not published |
| Aurora Medical Center Grafton | Grafton, WI | $285.00 | not published |
| Aurora Medical Center Manitowoc | Two Rivers, WI | $285.00 | not published |
| Aurora Medical Center Kenosha | Kenosha, WI | $285.00 | not published |