Lyme disease test cost in San Jose, CA — inpatient
In San Jose-Sunnyvale-Santa Clara, CA, 3 hospitals list a cash price for Lyme disease antibody test as an inpatient: from $21.82 to $30.80, with a median of $30.80. The lowest listed price is at Stanford Health Care — $8.98 less than the median here. Across California, the median is $30.80 at 79 hospitals.
Cash prices at 3 facilities across 3 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.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in San Jose-Sunnyvale-Santa Clara, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Stanford Health Care lowest Stanford, CA · (650) 723-4000 HC 6942 12815r Lyme Ab Igg Igm | $21.82 | $54.56 | — | 60% | Apr 1, 2026 source file |
| Kaiser Foundation Hospital - San Jose San Jose, CA · (408) 972-7000 ANTIBODY BORRELIA BURGDORFERI LYME DISEASE | $30.80 | $55.00 | $16.00–$50.00 | 44% | — source file |
| Kaiser Foundation Hospital - Santa Clara Santa Clara, CA · (408) 236-6400 ANTIBODY BORRELIA BURGDORFERI LYME DISEASE | $30.80 | $55.00 | $16.00–$50.00 | 44% | — source file |
Inpatient: lowest $21.82, median $30.80, highest $30.80 — a 1.4× difference within the same market.
As an outpatient, the same code is billed by 4 facilities here, median $29.04 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 2 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
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.
5 rows held back from this comparison
They are priced below $1 or below a tenth of the national median for code 86618 ($75.50). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.
| El Camino Hospital Mountain View, CAHC 164089 LYME IGM REFLEX OF 164226*3 1/2 | $1.88 | file |
| El Camino Hospital Mountain View, CAHC 164089 LYME IGG REFLEX OF 164226 *3 2/2 | $1.88 | file |
| El Camino Hospital Mountain View, CAHC 164226 LYME ABYS, MODIFIED 2-TIER TESTING PROFILE, SERUM/PLASMA *3 | $2.50 | file |
| Stanford Health Care Stanford, CALab12815r Lyme Dis Anti | $5.48 | file |
| El Camino Hospital Mountain View, CAHC LYME AB WEST BLOT*3 | $7.50 | file |