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Diphtheria Antibody Blood Test

Washington rates for HCPCS 86648

A blood test that checks for antibodies the immune system makes in response to diphtheria, a serious bacterial infection that can affect the throat and airway. It helps determine whether a person has been previously exposed to diphtheria or has developed immunity, such as after vaccination. A blood sample is drawn and sent to the lab for antibody analysis.

Rates data updated July 2026.

How much does Diphtheria Antibody Blood Test cost?

$16.98

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $16.98 for this service. The price depends on where it is billed: about $14.45 from a physician practice, and about $23.99 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$14.45$13.49 to $18.20
FacilityA hospital or hospital-owned outpatient department$23.99$16.98 to $34.67

How much rates vary

Facilitymedian $24 · 10th to 90th $15 to $78Professionalmedian $14 · 10th to 90th $7 to $26
$10.0$20.0$50.0$100.0$200.0facility $24professional $14

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
$15.14
Median
$28.18
Typical High
$91.20
Aetna
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$14.45
Typical High
$100.00
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$15.14
Median
$19.05
Typical High
$41.69
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$13.80
Typical High
$15.49
Cigna
Setting
Facility
Modifier
Global
Typical Low
$15.85
Median
$32.36
Typical High
$48.98
Cigna
Setting
Professional
Modifier
Global
Typical Low
$9.33
Median
$15.85
Typical High
$23.99
Molina
Setting
Professional
Modifier
Global
Typical Low
$9.77
Median
$13.49
Typical High
$64.57
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$15.14
Median
$15.14
Typical High
$30.90
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$18.20
Median
$18.20
Typical High
$18.20
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$15.14
Median
$25.12
Typical High
$41.69
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$13.80
Median
$13.80
Typical High
$18.20
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$15.14
Median
$22.91
Typical High
$40.74
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$13.80
Typical High
$15.14
United
Setting
Facility
Modifier
Global
Typical Low
$13.80
Median
$18.20
Typical High
$18.20
United
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$7.59
Typical High
$18.20
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$7.94
Typical High
$27.54

Where Washington sits

The same service costs 2.8 times more in Pennsylvania than in Washington, DC. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Washington $16.98 · 22nd of 51
PA $31.62DC $11.48

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.