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Dibucaine Number Test

Maryland rates for HCPCS 82638

A laboratory test that checks how a particular blood enzyme behaves when a chemical is added to it, in order to identify people who carry an unusual form of that enzyme. Those with the unusual form break down certain muscle-relaxing anesthetic drugs very slowly and can stay paralyzed and need breathing support far longer than expected. It is used after such a reaction and to check relatives.

Rates data updated October 2026.

How much does Dibucaine Number Test cost?

$9.12

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $9.12 for this service. Most negotiated rates run $8.13 to $9.77.

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.

How much rates vary

Facilitymedian $9 · 10th to 90th $6 to $35Professionalmedian $9 · 10th to 90th $6 to $13
$5$10$20facility $9professional $9

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
Professional
Modifier
None
Typical Low
$9.12
Median
$9.12
Typical High
$11.22
CareFirst
Setting
Professional
Modifier
None
Typical Low
$8.91
Median
$9.77
Typical High
$10.96
Cigna
Setting
Facility
Modifier
None
Typical Low
$6.46
Median
$8.51
Typical High
$15.85
Cigna
Setting
Professional
Modifier
None
Typical Low
$6.46
Median
$12.30
Typical High
$29.51
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$12.30
Median
$14.13
Typical High
$23.99
United
Setting
Facility
Modifier
None
Typical Low
$34.67
Median
$34.67
Typical High
$34.67
United
Setting
Professional
Modifier
None
Typical Low
$5.50
Median
$6.92
Typical High
$10.23
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$4.79
Median
$12.02
Typical High
$12.02
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$4.57
Median
$4.57
Typical High
$4.57
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.82
Median
$1.82
Typical High
$1.82

Where Maryland sits

The same service costs 3.2 times more in Kansas than in Maryland. 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.

Maryland· 51st of 51

$9.12

KS $28.84MD $9.12

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.