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Diphtheria Antibody Blood Test

Alabama 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?

$15.14

Typical negotiated rate. In Alabama, October 2026.

Insurers have agreed to pay about $15.14 for this service. The price depends on where it is billed: about $11.75 from a physician practice, and about $15.14 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 4 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$11.75$7.76 to $17.38
FacilityA hospital or hospital-owned outpatient department$15.14$15.14 to $15.14

How much rates vary

Facilitymedian $15 · 10th to 90th $15 to $15Professionalmedian $12 · 10th to 90th $6 to $17
$10$20$50facility $15professional $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
$17.38
Median
$17.38
Typical High
$23.44
Aetna
Setting
Professional
Modifier
None
Typical Low
$12.30
Median
$17.38
Typical High
$17.38
BCBS Alabama
Setting
Facility
Modifier
None
Typical Low
$15.14
Median
$15.14
Typical High
$15.14
BCBS Alabama
Setting
Professional
Modifier
21 + 22 · Increased work + 24 · Unrelated visit after surgery + 31 + 55 · Aftercare only + 99 · Multiple modifiers
Typical Low
$10.47
Median
$12.88
Typical High
$15.49
Cigna
Setting
Facility
Modifier
None
Typical Low
$12.30
Median
$12.88
Typical High
$47.86
Cigna
Setting
Professional
Modifier
None
Typical Low
$7.76
Median
$9.55
Typical High
$87.10
United
Setting
Facility
Modifier
None
Typical Low
$5.50
Median
$13.80
Typical High
$15.14
United
Setting
Professional
Modifier
None
Typical Low
$6.46
Median
$7.59
Typical High
$12.30
2 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
Professional
Modifier
52 · Reduced service
Typical Low
$6.76
Median
$8.71
Typical High
$8.71
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.69
Median
$3.47
Typical High
$3.47

Where Alabama 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.

Alabama· 22nd of 51

$15.14

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.