go back

Coccidioides (Valley Fever) Antibody Test

Washington 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?

$13.49

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $13.49 for this service. The price depends on where it is billed: about $10.72 from a physician practice, and about $21.38 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 9 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$10.72$10.23 to $14.45
FacilityA hospital or hospital-owned outpatient department$21.38$13.80 to $38.90

How much rates vary

Facilitymedian $21 · 10th to 90th $11 to $51Professionalmedian $11 · 10th to 90th $9 to $72
$5$10$20$50facility $21professional $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
$11.22
Median
$26.30
Typical High
$58.88
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$10.72
Typical High
$72.44
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$14.45
Typical High
$31.62
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$10.23
Typical High
$11.75
Cigna
Setting
Facility
Modifier
Global
Typical Low
$12.02
Median
$24.55
Typical High
$38.90
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$12.02
Typical High
$17.78
Molina
Setting
Professional
Modifier
Global
Typical Low
$7.41
Median
$10.00
Typical High
$64.57
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$11.48
Typical High
$22.91
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$11.48
Typical High
$13.80
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$19.95
Typical High
$31.62
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$10.23
Typical High
$13.80
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$17.38
Typical High
$30.90
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$10.23
Typical High
$11.48
United
Setting
Facility
Modifier
Global
Typical Low
$10.96
Median
$13.80
Typical High
$13.80
United
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$5.75
Typical High
$13.80
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$5.13
Median
$5.89
Typical High
$20.42

Where Washington sits

The same service costs 3.7 times more in South Dakota 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.

Washington· 20th of 51

$13.49

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.