Sleep study with CPAP cost in Washington
In Washington, 21 hospitals publish a cash price for in-lab sleep study with CPAP or bilevel titration, age 6 and older: from $500.00 to $5,442.85, with a median of $3,250.00. The lowest price is at Seattle Children's Hospital (Seattle). The highest price is 10.9× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 95811. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.
Lowest$500.00Seattle Children's Hospital
Median$3,250.00half pay less
Highest$5,442.85in Washington
Lowest saves$2,750.00vs the median
Hospitals in Washington, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Seattle Children's Hospital lowest Seattle · Seattle-Tacoma-Bellevue, WA Polysom 6/>Yrs Sleep W/Cpap 4/> Addl Param Attnd | $500.00 | $500.00 | — source file |
| Legacy Salmon Creek Medical Center Vancouver · Portland-Vancouver-Hillsboro, OR-WA PR POLYSOM 6/>YRS SLEEP W/CPAP 4/> ADDL PARAM ATTND | $1,197.30 | $1,842.00 | Apr 1, 2026 source file |
| Providence Holy Family Hospital Spokane · Spokane-Spokane Valley, WA HC POLYSOMNO-CPAP/BIPAP-1 ON 1 PT | $1,698.20 | $2,426.00 | Apr 1, 2026 source file |
| Virginia Mason Medical Center Seattle · Seattle-Tacoma-Bellevue, WA POLYSOM,6+ YO,4 OR MORE ADDL PARAMETERS W/CONTINUOUS POS AI | $1,911.48 | $3,748.00 | — source file |
| Swedish Issaquah Issaquah · Seattle-Tacoma-Bellevue, WA HC POLYSOMNOGRAPHY W/CPAP | $1,946.40 | $4,055.00 | Apr 1, 2026 source file |
| Swedish Medical Center / Cherry Hill Seattle · Seattle-Tacoma-Bellevue, WA HC POLYSOMNOGRAPHY W/CPAP | $1,946.40 | $4,055.00 | Apr 1, 2026 source file |
| Providence Regional Medical Center Everett Everett · Seattle-Tacoma-Bellevue, WA HC POLYSOMNOGRAPHY W/CPAP | $2,163.20 | $4,160.00 | Apr 1, 2026 source file |
| Providence St Peter Hospital Olympia · Olympia-Lacey-Tumwater, WA HC POLYSOMNOGRAPHY W/CPAP | $2,349.88 | $4,519.00 | Apr 1, 2026 source file |
| Providence Mount Carmel Hospital Colville · Spokane-Spokane Valley, WA HC POLYSOMNOGRAPHY W/CPAP REDUCED | $2,395.40 | $3,422.00 | Apr 1, 2026 source file |
| Providence St Mary Medical Center Walla Walla · Walla Walla, WA HC POLYSOMNOGRAPHY W/CPAP REDUCED | $2,758.00 | $3,940.00 | Apr 1, 2026 source file |
| PeaceHealth United General Medical Center Sedro Woolley · Mount Vernon-Anacortes, WA SLEEP STUDY IN SLEEP LAB WITH CONTINUOUS AIRWAY PRESSURE (6 YEARS OR OLDER) | $3,250.00 | $5,000.00 | — source file |
| Saint Clare Hospital Lakewood · Seattle-Tacoma-Bellevue, WA HC SLEEP STUDY STAGING W/CPAP | $3,554.68 | $12,332.32 | Feb 28, 2026 source file |
| St Anthony Hospital Gig Harbor · Seattle-Tacoma-Bellevue, WA HC SLEEP STUDY STAGING W/CPAP | $3,750.86 | $12,332.32 | Feb 28, 2026 source file |
| Highline Medical Center Burien · Seattle-Tacoma-Bellevue, WA HC SLEEP STUDY STAGING W/CPAP | $3,765.75 | $12,332.32 | Feb 28, 2026 source file |
| St Francis Community Hospital Federal Way · Seattle-Tacoma-Bellevue, WA HC SLEEP STUDY STAGING W/CPAP | $3,870.17 | $12,332.32 | Feb 28, 2026 source file |
| St Joseph Medical Center Tacoma · Seattle-Tacoma-Bellevue, WA HC SLEEP STUDY STAGING W/CPAP | $4,084.44 | $12,332.32 | Feb 28, 2026 source file |
| Skagit Valley Hospital Mount Vernon · Mount Vernon-Anacortes, WA HC POLYSOMNOGRAPHY W/ CPAP | $4,304.00 | $5,380.00 | — source file |
| Enumclaw Regional Hospital Association Enumclaw · Seattle-Tacoma-Bellevue, WA HC SLEEP STUDY STAGING W/CPAP | $4,357.81 | $12,332.32 | Feb 28, 2026 source file |
| Jefferson Healthcare Port Townsend · Port Townsend, WA Sleep study in sleep lab with continuous airway pressure (6 years or older) | $4,844.80 | $6,056.00 | Aug 6, 2026 source file |
| St. John Medical Center Longview · Longview-Kelso, WA SLEEP STUDY IN SLEEP LAB WITH CONTINUOUS AIRWAY PRESSURE (6 YEARS OR OLDER) | $4,884.75 | $7,515.00 | — source file |
| Harrison Medical Center Silverdale · Bremerton-Silverdale-Port Orchard, WA HC SLEEP STUDY STAGING W/CPAP | $5,442.85 | $12,332.32 | Feb 28, 2026 source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Seattle-Tacoma-Bellevue, WA | 11 | $500.00 | $3,554.68 |
| Mount Vernon-Anacortes, WA | 2 | $3,250.00 | $3,777.00 |
| Spokane-Spokane Valley, WA | 2 | $1,698.20 | $2,046.80 |
| Bremerton-Silverdale-Port Orchard, WA | 1 | $5,442.85 | $5,442.85 |
| Longview-Kelso, WA | 1 | $4,884.75 | $4,884.75 |
| Olympia-Lacey-Tumwater, WA | 1 | $2,349.88 | $2,349.88 |
| Port Townsend, WA | 1 | $4,844.80 | $4,844.80 |
| Portland-Vancouver-Hillsboro, OR-WA | 1 | $1,197.30 | $1,197.30 |
| Walla Walla, WA | 1 | $2,758.00 | $2,758.00 |
What it is
This is an overnight sleep study at a sleep center where a technologist records brain waves, breathing, oxygen and heart rhythm and starts CPAP or bilevel therapy to find the right pressure. It is used both for a full night of CPAP adjustment and for a split-night study that starts as a diagnostic study.
What the price covers
The hospital price usually covers the overnight study and the technologist. The sleep physician's interpretation is often billed separately, and the CPAP machine itself is bought separately.
In-lab sleep study with CPAP or bilevel titration, age 6 and older in other states
- Alabama$4,236.11
- Alaska$3,511.73
- Arizona$5,334.24
- Arkansas$1,503.20
- California$3,651.20
- Colorado$2,290.43
- Connecticut$3,666.85
- Delaware$6,673.80
- Florida$4,435.51
- Georgia$3,339.50
- Hawaii$1,413.60
- Idaho$4,833.00
- Illinois$2,900.30
- Indiana$3,382.75
- Iowa$2,572.00
- Kansas$2,107.95
- Kentucky$8,773.32
- Louisiana$938.38
- Maine$1,830.60
- Maryland$2,402.01
- Massachusetts$2,837.10
- Michigan$3,665.35
- Minnesota$3,465.11
- Mississippi$1,479.60
- Missouri$1,926.05
- Montana$2,210.40
- Nebraska$2,578.97
- Nevada$2,406.68
- New Hampshire$3,043.25
- New Jersey$1,198.14
- New York$2,247.59
- North Carolina$3,751.48
- North Dakota$2,868.56
- Ohio$3,599.05
- Oklahoma$3,130.06
- Oregon$1,891.50
- Pennsylvania$3,138.40
- Rhode Island$960.00
- South Carolina$1,972.50
- South Dakota$4,239.60
- Tennessee$1,015.80
- Texas$5,236.15
- Utah$3,389.26
- Vermont$2,739.00
- Virginia$1,793.40
- West Virginia$2,888.50
- Wisconsin$3,385.00
- Wyoming$4,061.11
Median cash price across the state's hospitals.