HCPCS G0399 at Island Hospital

Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation

Island Hospital, Anacortes

Description from CMS's HCPCS Level II code file.

What Island Hospital publishes for this code: as an outpatient

Island Hospital’s prices for HCPCS G0399, as an outpatient
Who pays	Hospital’s fee (lowest – highest)	Doctor’s fee the hospital lists
Commercial insuranceInsurer rates	$175 – $46417 plans	$86.09 – $464
Medicare AdvantageInsurer rates	$258 – $27311 plans	$258 – $273
Medicaid managed careInsurer rates	$99.63 – $1083 plans	$99.63 – $108
Other government programInsurer rates	$258 – $2713 plans	$258 – $271
UnknownInsurer rates	$113 – $2713 plans	$113 – $271
Cash pricePaying yourself, without insurance	$264	$130
List priceBefore any discount; few people pay it	$264	$130

Lowest and highest amounts Island Hospital lists for this code as an outpatient, including lines it lists for both settings or without saying which. This is one line of a bill; most care brings several.

Bills to expect

The hospital’s fee is the price above. Doctors usually send their own bills. Their amounts here are what original Medicare allows in the rest of Washington for 2026, and a private-plan estimate of 118% to 179% of that (the range found across studies of what insurers pay doctors). Those are estimates, not quotes.

Bills to expect for HCPCS G0399 at Island Hospital
Bill	What it’s for	Original Medicare allows	Private plan estimate
Hospital's feeThe hospital	The service	—	The price above

Original Medicare amounts are only for people on original Medicare. Your share depends on your plan’s deductible, copay and coinsurance.

Compare HCPCS G0399 at every Washington hospital, with Medicare’s reference amounts.