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Diphtheria Antibody Blood Test

Tennessee 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?

$12.59

Typical negotiated rate. In Tennessee, October 2026.

Insurers have agreed to pay about $12.59 for this service. Most negotiated rates run $10.00 to $20.42.

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.

How much rates vary

Facilitymedian $31 · 10th to 90th $11 to $55Professionalmedian $12 · 10th to 90th $7 to $20
$10$20$50facility $31professional $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
$11.48
Median
$12.02
Typical High
$23.44
Aetna
Setting
Professional
Modifier
None
Typical Low
$11.48
Median
$12.02
Typical High
$18.20
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$5.75
Median
$6.03
Typical High
$9.12
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.29
Median
$2.40
Typical High
$3.63
BCBS Tennessee
Setting
Professional
Modifier
None
Typical Low
$7.94
Median
$16.98
Typical High
$20.42
Cigna
Setting
Facility
Modifier
None
Typical Low
$11.22
Median
$31.62
Typical High
$60.26
Cigna
Setting
Professional
Modifier
None
Typical Low
$6.92
Median
$10.00
Typical High
$21.88
United
Setting
Professional
Modifier
None
Typical Low
$6.46
Median
$9.12
Typical High
$19.05

Where Tennessee 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.

Tennessee· 37th of 51

$12.59

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.