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Methsuximide Level Test

Massachusetts 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 October 2026.

How much does Methsuximide Level Test cost?

$28.84

Typical facility fee. In Massachusetts, October 2026.

Insurers have agreed to pay about $28.84 for this service. Most negotiated rates run $24.55 to $39.81.

Few insurers publish rates for this combination, so treat this figure as a rough guide.

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 3 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $35 · 10th to 90th $25 to $50Professionalmedian $23 · 10th to 90th $23 to $29
$20$50facility $35professional $23

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
AllWays Health Partners
Setting
Facility
Modifier
None
Typical Low
$24.55
Median
$34.67
Typical High
$50.12
Cigna
Setting
Professional
Modifier
None
Typical Low
$22.91
Median
$22.91
Typical High
$28.84
Mass General Brigham
Setting
Facility
Modifier
None
Typical Low
$24.55
Median
$34.67
Typical High
$50.12

Where Massachusetts sits

The same service costs 7.4 times more in Oklahoma than in New Jersey. 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· 14th of 50

$28.84

OK $100NJ $13.49

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.