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Diphtheria Antibody Blood Test

Maryland 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?

$12.59

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $12.59 for this service. The price depends on where it is billed: about $11.48 from a physician practice, and about $87.10 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$11.48$11.22 to $18.62
FacilityA hospital or hospital-owned outpatient department$87.10$19.50 to $93.33

How much rates vary

Facilitymedian $87 · 10th to 90th $7 to $100Professionalmedian $11 · 10th to 90th $9 to $59
$10$20$50$100facility $87professional $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
$67.61
Median
$93.33
Typical High
$100.00
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$12.59
Typical High
$58.88
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$12.30
Typical High
$14.79
Cigna
Setting
Facility
Modifier
Global
Typical Low
$8.13
Median
$10.47
Typical High
$19.50
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8.32
Median
$15.14
Typical High
$37.15
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$15.14
Median
$18.20
Typical High
$29.51
United
Setting
Facility
Modifier
Global
Typical Low
$5.25
Median
$6.46
Typical High
$11.48
United
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$9.12
Typical High
$14.45
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$10.47
Typical High
$22.91

Where Maryland sits

The same service costs 2.8 times more in Pennsylvania than in Washington, DC. 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.

Maryland· 47th of 51

$12.59

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.