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Antibody Test for an Unspecified Bacterial Infection

Colorado rates for HCPCS 86609

This blood test looks for antibodies the immune system produces in response to a bacterial infection, used when the specific bacteria being investigated does not have a standard named test of its own. It helps support a diagnosis when a more targeted antibody test is not available for the suspected organism.

Rates data updated October 2026.

How much does Antibody Test for an Unspecified Bacterial Infection cost?

$12.88

Typical negotiated rate. In Colorado, October 2026.

Insurers have agreed to pay about $12.88 for this service. The price depends on where it is billed: about $8.91 from a physician practice, and about $37.15 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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$8.91$5.37 to $10.23
FacilityA hospital or hospital-owned outpatient department$37.15$23.44 to $44.67

How much rates vary

Facilitymedian $37 · 10th to 90th $10 to $59Professionalmedian $9 · 10th to 90th $5 to $23
$10$20$50$100facility $37professional $9

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
$12.59
Median
$22.39
Typical High
$58.88
Aetna
Setting
Professional
Modifier
None
Typical Low
$8.91
Median
$9.77
Typical High
$12.88
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$14.45
Median
$38.90
Typical High
$58.88
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$5.37
Median
$8.91
Typical High
$26.30
Cigna
Setting
Facility
Modifier
None
Typical Low
$7.59
Median
$15.49
Typical High
$38.90
Cigna
Setting
Professional
Modifier
None
Typical Low
$6.76
Median
$9.55
Typical High
$18.62
Denver HMP
Setting
Facility
Modifier
None
Typical Low
$9.77
Median
$14.13
Typical High
$25.70
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$10.23
Median
$18.62
Typical High
$50.12
Select Health
Setting
Facility
Modifier
None
Typical Low
$12.88
Median
$23.99
Typical High
$26.92
Select Health
Setting
Professional
Modifier
None
Typical Low
$9.12
Median
$9.12
Typical High
$12.88
United
Setting
Facility
Modifier
None
Typical Low
$15.49
Median
$15.49
Typical High
$15.49
United
Setting
Professional
Modifier
None
Typical Low
$5.37
Median
$7.59
Typical High
$9.55
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
$4.79
Median
$4.90
Typical High
$6.46
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.95
Median
$1.95
Typical High
$2.57

Where Colorado sits

The same service costs 3.1 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.

Colorado· 26th of 51

$12.88

SC $29.51MD $9.55

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.