Coccidioides (Valley Fever) Antibody Test

Delaware 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?

$13.18

Typical negotiated rate. In Delaware, July 2026.

Insurers have agreed to pay about $13.18 for this service. The price depends on where it is billed: about $9.55 from a physician practice, and about $13.18 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 4 insurance carriers under federal price transparency rules.

Where it's billed changes the price

Billed by	Who charges it	Typical	Range
Physician practiceA doctor's office, clinic or independent provider	A doctor's office, clinic or independent provider	$9.55	$9.12 to $15.85
FacilityA hospital or hospital-owned outpatient department	A hospital or hospital-owned outpatient department	$13.18	$13.18 to $23.99

How much rates vary

Facilitymedian $13 · 10th to 90th $13 to $71Professionalmedian $10 · 10th to 90th $9 to $35

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	Facility/Professional	Modifier	Typical Low	Median	Typical High
Aetna Setting Facility Modifier Global Typical Low $13.18 Median $13.18 Typical High $70.79	Facility	Global	$13.18	$13.18	$70.79
Aetna Setting Professional Modifier Global Typical Low $9.12 Median $9.55 Typical High $34.67	Professional	Global	$9.12	$9.55	$34.67
Cigna Setting Facility Modifier Global Typical Low $7.41 Median $7.41 Typical High $7.41	Facility	Global	$7.41	$7.41	$7.41
Cigna Setting Professional Modifier Global Typical Low $6.92 Median $8.13 Typical High $21.38	Professional	Global	$6.92	$8.13	$21.38
Highmark BCBS Setting Facility Modifier Global Typical Low $11.48 Median $11.48 Typical High $28.84	Facility	Global	$11.48	$11.48	$28.84
United Setting Professional Modifier Global Typical Low $5.25 Median $7.76 Typical High $15.85	Professional	Global	$5.25	$7.76	$15.85

Where Delaware 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.

Delaware $13.18 · 25th 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.