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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 October 2026.

How much does Diphtheria Antibody Blood Test cost?

$11.75

Typical negotiated rate. In Illinois, October 2026.

Insurers have agreed to pay about $11.75 for this service. The price depends on where it is billed: about $11.75 from a physician practice, and about $33.88 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$11.75$9.33 to $12.59
FacilityA hospital or hospital-owned outpatient department$33.88$20.42 to $52.48

How much rates vary

Facilitymedian $34 · 10th to 90th $17 to $89Professionalmedian $12 · 10th to 90th $3 to $21
$5$10$20$50$100$200facility $34professional $12

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$12.59
Median
$23.99
Typical High
$45.71
Aetna
Setting
Professional
Modifier
None
Typical Low
$11.75
Median
$12.59
Typical High
$18.62
Ambetter
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$9.33
Typical High
$9.33
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$19.50
Median
$33.11
Typical High
$158.49
BCBS Illinois
Setting
Professional
Modifier
None
Typical Low
$3.47
Median
$11.75
Typical High
$11.75
Cigna
Setting
Facility
Modifier
None
Typical Low
$16.98
Median
$35.48
Typical High
$63.10
Cigna
Setting
Professional
Modifier
None
Typical Low
$7.76
Median
$17.78
Typical High
$27.54
Hally Health
Setting
Professional
Modifier
None
Typical Low
$15.85
Median
$26.92
Typical High
$144.54
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
None
Typical Low
$19.95
Median
$19.95
Typical High
$19.95
Molina
Setting
Professional
Modifier
None
Typical Low
$8.32
Median
$8.32
Typical High
$19.05
United
Setting
Facility
Modifier
None
Typical Low
$15.14
Median
$18.20
Typical High
$19.05
United
Setting
Professional
Modifier
None
Typical Low
$6.46
Median
$9.77
Typical High
$16.22
4 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$6.31
Median
$10.96
Typical High
$22.91
Aetna
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$2.51
Median
$4.37
Typical High
$9.12
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$6.31
Median
$6.31
Typical High
$7.59
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.51
Median
$2.51
Typical High
$3.02

Where Illinois sits

The same service costs 3.3 times more in South Carolina than in Maryland. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Illinois· 49th of 51

$11.75

SC $38.02MD $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.