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Confirmatory Test for Anti-Seizure Medicines

Massachusetts 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?

$19.50

Typical negotiated rate. In Massachusetts, October 2026.

Insurers have agreed to pay about $19.50 for this service. The price depends on where it is billed: about $17.78 from a physician practice, and about $50.12 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 8 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$17.78$7.59 to $22.91
FacilityA hospital or hospital-owned outpatient department$50.12$11.75 to $3,090

How much rates vary

Facilitymedian $50 · 10th to 90th $10 to $4,898Professionalmedian $18 · 10th to 90th $8 to $49
$0.1$1$10$100$1K$10Kfacility $50professional $18

Distribution of negotiated rates across all payers (price axis is log-scale). 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
$0.04
Aetna
Setting
Professional
Modifier
None
Typical Low
$57.54
Median
$57.54
Typical High
$57.54
AllWays Health Partners
Setting
Facility
Modifier
None
Typical Low
$50.12
Median
$50.12
Typical High
$50.12
BCBS Massachusetts
Setting
Facility
Modifier
None
Typical Low
$7.59
Median
$11.75
Typical High
$19.50
BCBS Massachusetts
Setting
Professional
Modifier
None
Typical Low
$17.78
Median
$17.78
Typical High
$17.78
Cigna
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$26.30
Fallon Health
Setting
Facility
Modifier
None
Typical Low
$83.18
Median
$3,630.78
Typical High
$9,772.37
Harvard Pilgrim
Setting
Professional
Modifier
None
Typical Low
$7.59
Median
$11.48
Typical High
$48.98
Mass General Brigham
Setting
Facility
Modifier
None
Typical Low
$50.12
Median
$50.12
Typical High
$50.12
Well Sense
Setting
Facility
Modifier
None
Typical Low
$2,511.89
Median
$3,090.30
Typical High
$4,897.79
Well Sense
Setting
Professional
Modifier
None
Typical Low
$2,511.89
Median
$2,511.89
Typical High
$3,019.95

Where Massachusetts 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.

Massachusetts· 23rd of 51

$19.50

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.