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Diphtheria Antibody Blood Test

Washington, DC 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?

$11.48

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $11.48 for this service. The price depends on where it is billed: about $11.48 from a physician practice, and about $47.86 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 5 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$11.48 to $11.48
FacilityA hospital or hospital-owned outpatient department$47.86$11.48 to $105

How much rates vary

Facilitymedian $48 · 10th to 90th $11 to $135Professionalmedian $11 · 10th to 90th $11 to $52
$10.0$20.0$50.0$100.0facility $48professional $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
$56.23
Typical High
$134.90
Aetna
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$11.48
Typical High
$11.48
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$43.65
Median
$77.62
Typical High
$169.82
Cigna
Setting
Facility
Modifier
Global
Typical Low
$24.55
Median
$25.70
Typical High
$57.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8.32
Median
$17.38
Typical High
$117.49
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$29.51
Median
$29.51
Typical High
$30.90
United
Setting
Facility
Modifier
Global
Typical Low
$8.91
Median
$18.20
Typical High
$47.86
United
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$9.33
Typical High
$25.70

Where Washington, DC 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, DC $11.48 · 51st 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.