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Dibucaine Number Test

Washington 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?

$12.88

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $12.88 for this service. The price depends on where it is billed: about $11.48 from a physician practice, and about $19.05 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 9 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$11.48$10.96 to $14.79
FacilityA hospital or hospital-owned outpatient department$19.05$12.88 to $28.18

How much rates vary

Facilitymedian $19 · 10th to 90th $12 to $50Professionalmedian $11 · 10th to 90th $7 to $25
$5.0$10.0$20.0$50.0$100.0facility $19professional $11

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. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$26.92
Typical High
$66.07
Aetna
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$11.48
Typical High
$81.28
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$12.30
Median
$15.14
Typical High
$33.88
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$9.12
Median
$10.96
Typical High
$12.59
Cigna
Setting
Facility
Modifier
Global
Typical Low
$12.88
Median
$25.12
Typical High
$38.90
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$12.88
Typical High
$19.50
Molina
Setting
Professional
Modifier
Global
Typical Low
$7.76
Median
$10.72
Typical High
$64.57
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$12.30
Median
$12.30
Typical High
$24.55
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$12.30
Median
$12.30
Typical High
$13.49
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$12.30
Median
$21.38
Typical High
$33.88
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$10.96
Median
$10.96
Typical High
$14.79
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$12.30
Median
$18.20
Typical High
$33.11
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$9.12
Median
$10.96
Typical High
$12.30
United
Setting
Facility
Modifier
Global
Typical Low
$11.75
Median
$14.79
Typical High
$14.79
United
Setting
Professional
Modifier
Global
Typical Low
$5.13
Median
$6.17
Typical High
$14.79
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$5.50
Median
$6.31
Typical High
$21.88

Where Washington 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.

Washington $12.88 · 28th 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.