Lab tests CPT 86618 Inpatient — admitted to hospital

Lyme disease test cost in Eureka, CA — inpatient

In Eureka-Arcata, CA, 2 hospitals list a cash price for Lyme disease antibody test as an inpatient: from $64.90 to $64.90, with a median of $64.90. The lowest listed price is at Providence Redwood Memorial Hospital and 1 other hospital. Across California, the median is $30.80 at 79 hospitals.

Cash prices at 2 facilities across 2 cities for code 86618, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$64.90Providence Redwood Memorial Hospital + 1 more
Median$64.90half pay less
Highest$64.90in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Eureka-Arcata, CA.

median
Lowest $64.90Highest $64.90

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Providence Redwood Memorial Hospital lowest Fortuna, CA · (707) 445-8121 HC LYME DISEASE ANTIBODY $64.90 $127.25 — 49% Apr 1, 2026
source file
Providence St Joseph Hospital lowest Eureka, CA · (707) 445-8121 HC LYME DISEASE ANTIBODY $64.90 $127.25 — 49% Apr 1, 2026
source file

Inpatient: lowest $64.90, median $64.90, highest $64.90.

As an outpatient, the same code is billed by 2 facilities here, median $64.90 — that is the price to compare if you are not being admitted.

What it is

This blood test looks for antibodies to the bacteria that cause Lyme disease. A positive first test is confirmed with a second test.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.