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Confirmatory Test for Anti-Seizure Medicines

Washington rates for HCPCS 80340

A laboratory test that identifies anti-seizure medicines in a blood or urine sample and confirms precisely which ones are present. Unlike a quick screening check, which only suggests that something in a group may be there, this test names the individual medicine. It is used to confirm that a prescribed medicine is being taken as directed, or to work out what someone has taken.

Rates data updated October 2026.

How much does Confirmatory Test for Anti-Seizure Medicines cost?

$4.47

Typical negotiated rate. In Washington, October 2026.

Insurers have agreed to pay about $4.47 for this service. The price depends on where it is billed: about $4.47 from a physician practice, and about $4.47 from a hospital or other facility.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$4.47$4.47 to $4.47
FacilityA hospital or hospital-owned outpatient department$4.47$4.47 to $50.12

How much rates vary

Facilitymedian $4 · 10th to 90th $0 to $50Professionalmedian $4 · 10th to 90th $4 to $4
$0.1$1$10$100facility $4professional $4

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$0.02
Median
$0.02
Typical High
$0.03
Aetna
Setting
Professional
Modifier
None
Typical Low
$0.02
Median
$0.02
Typical High
$120.23
Asuris Northwest Health
Setting
Facility
Modifier
None
Typical Low
$50.12
Median
$50.12
Typical High
$50.12
Cigna
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$26.30
Molina
Setting
Professional
Modifier
None
Typical Low
$44.67
Median
$44.67
Typical High
$50.12
Premera BCBS
Setting
Facility
Modifier
None
Typical Low
$4.47
Median
$4.47
Typical High
$4.47
Premera BCBS
Setting
Professional
Modifier
None
Typical Low
$4.47
Median
$4.47
Typical High
$4.47
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$3.89
Median
$3.89
Typical High
$3.89

Where Washington sits

The same service costs 3981.1 times more in Montana than in Tennessee. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Washington· 44th of 51

$4.47

MT $79.43TN $0.02

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.