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Coccidioides (Valley Fever) Antibody Test

Montana rates for HCPCS 86635

This blood test looks for antibodies against Coccidioides, a fungus found in soil in parts of the southwestern United States and other dry regions, that causes an illness commonly called Valley Fever. It's ordered when someone has a lingering cough, fever, or chest symptoms and has lived in or traveled through an area where the fungus is common. A positive result helps confirm the diagnosis so appropriate treatment can be started.

Rates data updated July 2026.

How much does Coccidioides (Valley Fever) Antibody Test cost?

$15.49

Typical negotiated rate. In Montana, July 2026.

Insurers have agreed to pay about $15.49 for this service. The price depends on where it is billed: about $14.45 from a physician practice, and about $18.20 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$14.45$11.48 to $36.31
FacilityA hospital or hospital-owned outpatient department$18.20$15.49 to $36.31

How much rates vary

Facilitymedian $18 · 10th to 90th $14 to $62Professionalmedian $14 · 10th to 90th $10 to $76
$10.0$100.0$1.0K$10.0K$100.0Kfacility $18professional $14

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
$42.66
Median
$54.95
Typical High
$61.66
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$13.18
Typical High
$75.86
BCBS
Setting
Facility
Modifier
Global
Typical Low
$15.49
Median
$15.49
Typical High
$81,283.05
BCBS
Setting
Professional
Modifier
Global
Typical Low
$15.49
Median
$15.49
Typical High
$15.49
Cigna
Setting
Facility
Modifier
Global
Typical Low
$16.60
Median
$19.50
Typical High
$66.07
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.76
Median
$13.18
Typical High
$16.60
MountainHealth Co-op
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$16.22
Typical High
$35.48
MountainHealth Co-op
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$16.22
Typical High
$35.48
Providence
Setting
Facility
Modifier
Global
Typical Low
$16.60
Median
$22.39
Typical High
$66.07
Providence
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$10.23
Typical High
$16.60
United
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$11.48
Typical High
$11.48
United
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$6.61
Typical High
$15.85

Where Montana sits

The same service costs 3.7 times more in South Dakota than in Washington, DC. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Montana $15.49 · 11th of 51
SD $31.62DC $8.51

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.