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Coccidioides (Valley Fever) Antibody Test

Massachusetts 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?

$12.02

Typical negotiated rate. In Massachusetts, July 2026.

Insurers have agreed to pay about $12.02 for this service. The price depends on where it is billed: about $11.48 from a physician practice, and about $28.18 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$11.48$10.23 to $13.49
FacilityA hospital or hospital-owned outpatient department$28.18$16.60 to $39.81

How much rates vary

Facilitymedian $28 · 10th to 90th $11 to $72Professionalmedian $11 · 10th to 90th $10 to $28
$10.0$100.0$1.0K$10.0Kfacility $28professional $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
$11.48
Median
$30.20
Typical High
$120.23
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$10.72
Typical High
$22.91
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$16.22
Typical High
$69.18
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$11.48
Typical High
$28.18
BCBS
Setting
Facility
Modifier
Global
Typical Low
$22.39
Median
$28.18
Typical High
$44.67
BCBS
Setting
Professional
Modifier
Global
Typical Low
$10.72
Median
$10.72
Typical High
$14.79
Cigna
Setting
Facility
Modifier
Global
Typical Low
$8.91
Median
$18.20
Typical High
$29.51
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$11.48
Typical High
$29.51
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$13.18
Median
$91.20
Typical High
$7,079.46
Fallon Health
Setting
Professional
Modifier
Global
Typical Low
$16.22
Median
$16.22
Typical High
$19.05
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$11.48
Typical High
$34.67
Health New England
Setting
Facility
Modifier
Global
Typical Low
$12.02
Median
$47.86
Typical High
$47.86
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$16.22
Typical High
$69.18
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$11.48
Typical High
$28.18
United
Setting
Facility
Modifier
Global
Typical Low
$6.61
Median
$11.48
Typical High
$16.60
United
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$10.23
Typical High
$29.51

Where Massachusetts 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.

Massachusetts $12.02 · 28th 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.