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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 July 2026.

How much does Dibucaine Number Test cost?

$9.12

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $9.12 for this service. The price depends on where it is billed: about $9.12 from a physician practice, and about $9.33 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$9.12$8.91 to $15.14
FacilityA hospital or hospital-owned outpatient department$9.33$6.46 to $79.43

How much rates vary

Facilitymedian $9 · 10th to 90th $5 to $79Professionalmedian $9 · 10th to 90th $7 to $48
$5.0$10.0$20.0$50.0facility $9professional $9

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. 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
Global
Typical Low
$79.43
Median
$79.43
Typical High
$79.43
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.13
Median
$9.12
Typical High
$47.86
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$3.55
Median
$9.77
Typical High
$12.02
Cigna
Setting
Facility
Modifier
Global
Typical Low
$6.46
Median
$8.51
Typical High
$15.85
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$12.30
Typical High
$29.51
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$12.30
Median
$14.79
Typical High
$23.99
United
Setting
Facility
Modifier
Global
Typical Low
$5.13
Median
$5.75
Typical High
$34.67
United
Setting
Professional
Modifier
Global
Typical Low
$5.50
Median
$7.08
Typical High
$11.48
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$8.51
Typical High
$18.20

Where Maryland sits

The same service costs 2.5 times more in Hawaii than in Maryland. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Maryland $9.12 · 51st of 51
HI $22.39MD $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.