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Diphtheria Antibody Blood Test

Montana 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?

$20.42

Typical negotiated rate. In Montana, July 2026.

Insurers have agreed to pay about $20.42 for this service. The price depends on where it is billed: about $20.42 from a physician practice, and about $22.91 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$20.42$17.38 to $29.51
FacilityA hospital or hospital-owned outpatient department$22.91$19.05 to $29.51

How much rates vary

Facilitymedian $23 · 10th to 90th $15 to $48Professionalmedian $20 · 10th to 90th $13 to $100
$10.0$20.0$50.0$100.0facility $23professional $20

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
Professional
Modifier
Global
Typical Low
$17.38
Median
$17.38
Typical High
$100.00
BCBS
Setting
Professional
Modifier
Global
Typical Low
$20.42
Median
$20.42
Typical High
$20.42
Cigna
Setting
Facility
Modifier
Global
Typical Low
$21.88
Median
$25.70
Typical High
$87.10
Cigna
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$17.38
Typical High
$21.88
MountainHealth Co-op
Setting
Facility
Modifier
Global
Typical Low
$15.14
Median
$21.38
Typical High
$46.77
MountainHealth Co-op
Setting
Professional
Modifier
Global
Typical Low
$15.14
Median
$21.38
Typical High
$46.77
Providence
Setting
Facility
Modifier
Global
Typical Low
$21.88
Median
$29.51
Typical High
$87.10
Providence
Setting
Professional
Modifier
Global
Typical Low
$13.80
Median
$13.80
Typical High
$21.88
United
Setting
Facility
Modifier
Global
Typical Low
$15.14
Median
$15.14
Typical High
$15.14
United
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$8.71
Typical High
$21.38

Where Montana 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.

Montana $20.42 · 9th 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.