How much does a sleep study (overnight in lab) cost in Olympia?
Attended overnight sleep study; bundle includes the CPAP-titration variant. Below: the rates insurers have actually negotiated with 3 Olympia-area hospitals, and the cash (self-pay) prices where published — from the hospitals' own federally required price files.
$3,215
lowest median negotiated rate
Providence St. Peter Hospital
$4,690
highest (adult hospitals)
Providence Centralia Hospital
1.5×
price spread
same procedure, same metro
Median negotiated rate per hospital · sorted low → high · hover a bar for the full receipt
cash (self-pay) price
| Hospital | Gross charge | Cash price | Negotiated | Range | # rates | vs median |
|---|
* Specialty hospital (pediatric or cancer center) — rates reflect specialty case mix. † Median based on fewer than 3 published rates — treat as indicative. Bars show the median dollar-denominated commercial negotiated rate; hospitals sharing a health-system contract show similar rates.
SOURCE: standard-charges files from 3 hospitals · file dates 2025-07-25 → 2026-04-01 · retrieved 2026-08-03 → 2026-08-08
Paying cash can beat using insurance. At Providence St. Peter Hospital, the self-pay price is $2,052 — less than the $3,215 median commercial-insurer rate. If you haven't met your deductible, ask for the cash rate.