Sleep study in a lab (polysomnography) in Santa Rosa-Petaluma, CA
In Santa Rosa-Petaluma, CA, 2 hospitals list a cash price for Sleep study in a lab (polysomnography): from $2,083.35 to $4,888.80, with a median of $2,083.35. The lowest listed price is at St Joseph Health Northern California LLC.
Cash prices at 2 facilities for code 95810, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Santa Rosa-Petaluma, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| St Joseph Health Northern California LLC lowest Santa Rosa, CA HC POLYSOMNOGRAPHY, 4 OR MORE 95810 | $2,083.35 | $4,085.00 | 49% | Apr 1, 2026 source file |
| St Joseph Health Northern California LLC Santa Rosa, CA HC POLYSOMNOGRAM REDUCED SERVICE | $2,083.35 | $4,085.00 | 49% | Apr 1, 2026 source file |
| St Joseph Health Northern California LLC Santa Rosa, CA HC POLYSOMNOGRAPHY 4 OR MORE | $2,083.35 | $4,085.00 | 49% | Apr 1, 2026 source file |
| Kaiser Foundation Hospital - Santa Rosa Santa Rosa, CA POLYSOM 6/>YRS SLEEP 4/> ADDL PARAM ATTND | $4,888.80 | $8,730.00 | 44% | — source file |
Outpatient: lowest $2,083.35, median $2,083.35, highest $4,888.80 — a 2.3× difference within the same market.
As an inpatient, the same code is billed by 2 facilities here, median $2,083.35. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
What it is
An in-lab sleep study (polysomnography) records brain waves, breathing, oxygen levels, heart rhythm and movement while you sleep overnight at a sleep center. It is used to diagnose sleep apnea and other sleep disorders. A technologist watches the study throughout the night.
What the price covers
The hospital price usually covers the overnight study and the technologist. The sleep physician's interpretation is often billed separately.