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Methsuximide Level Test

Illinois rates for HCPCS 83858

Measures the amount of methsuximide in a sample. Methsuximide is an anti-seizure medicine, and the result helps a prescriber judge whether the amount in the body is enough to control seizures without causing side effects.

Rates data updated July 2026.

Facilitymedian $39 · 10th–90th $27$790%10%10th90th$39Professionalmedian $126 · 10th–90th $23$3470%20%10th90th$126$20.0$50.0$100.0$200.0

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Small sample; interpret with caution. Need provider-level prices? Contact us.

Insurance Carrier
BCBS
Setting
Facility
Modifier
Global
Typical Low
$26.92
Median
$38.90
Typical High
$79.43
Cigna
Setting
Professional
Modifier
Global
Typical Low
$22.91
Median
$23.44
Typical High
$29.51
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$100.00
Median
$199.53
Typical High
$346.74
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00