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Diphtheria Antibody Blood Test

Illinois 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?

$15.14

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $15.14 for this service. The price depends on where it is billed: about $12.30 from a physician practice, and about $28.18 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 7 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$12.30$10.47 to $15.49
FacilityA hospital or hospital-owned outpatient department$28.18$18.20 to $38.02

How much rates vary

Facilitymedian $28 · 10th to 90th $13 to $66Professionalmedian $12 · 10th to 90th $3 to $31
$5.0$10.0$20.0$50.0$100.0$200.0facility $28professional $12

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
$13.18
Median
$25.12
Typical High
$53.70
Aetna
Setting
Professional
Modifier
Global
Typical Low
$11.75
Median
$13.18
Typical High
$32.36
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$9.33
Median
$9.33
Typical High
$9.33
BCBS
Setting
Facility
Modifier
Global
Typical Low
$20.42
Median
$41.69
Typical High
$158.49
BCBS
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$10.47
Typical High
$11.75
Cigna
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$35.48
Typical High
$69.18
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.94
Median
$17.38
Typical High
$27.54
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$16.60
Median
$29.51
Typical High
$173.78
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$19.95
Median
$19.95
Typical High
$19.95
Molina
Setting
Professional
Modifier
Global
Typical Low
$8.32
Median
$8.32
Typical High
$8.32
United
Setting
Facility
Modifier
Global
Typical Low
$9.12
Median
$15.14
Typical High
$30.20
United
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$9.77
Typical High
$15.14

Where Illinois 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.

Illinois $15.14 · 31st 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.