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Diphtheria Antibody Blood Test

North Carolina 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?

$13.49

Typical negotiated rate. In North Carolina, July 2026.

Insurers have agreed to pay about $13.49 for this service. The price depends on where it is billed: about $12.30 from a physician practice, and about $46.77 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 6 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$12.30 to $13.49
FacilityA hospital or hospital-owned outpatient department$46.77$13.80 to $107

How much rates vary

Facilitymedian $47 · 10th to 90th $12 to $120Professionalmedian $12 · 10th to 90th $10 to $20
$5.0$10.0$20.0$50.0$100.0facility $47professional $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
$12.30
Median
$50.12
Typical High
$128.82
Aetna
Setting
Professional
Modifier
Global
Typical Low
$12.02
Median
$12.30
Typical High
$19.95
BCBS
Setting
Facility
Modifier
Global
Typical Low
$25.70
Median
$41.69
Typical High
$64.57
BCBS
Setting
Professional
Modifier
Global
Typical Low
$9.12
Median
$10.72
Typical High
$13.18
Cigna
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$29.51
Typical High
$69.18
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.94
Median
$10.47
Typical High
$23.44
Medcost
Setting
Professional
Modifier
Global
Typical Low
$12.59
Median
$33.11
Typical High
$44.67
Medcost
Setting
Facility
Modifier
Global
Typical Low
$12.30
Median
$13.80
Typical High
$28.18
Medcost
Setting
Professional
Modifier
Global
Typical Low
$5.50
Median
$5.50
Typical High
$6.03
United
Setting
Facility
Modifier
Global
Typical Low
$7.59
Median
$19.95
Typical High
$26.92
United
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$10.23
Typical High
$21.38
Wellcare
Setting
Facility
Modifier
Global
Typical Low
$87.10
Median
$87.10
Typical High
$87.10

Where North Carolina 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.

North Carolina $13.49 · 43rd 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.