Lab tests CPT 86618 Inpatient — admitted to hospital

Lyme disease test cost in Sweetwater, TN — inpatient

In Sweetwater, TN, 1 hospital lists a cash price for Lyme disease antibody test as an inpatient: from $21.41 to $21.41, with a median of $21.41. Across Tennessee, the median is $41.40 at 74 hospitals.

Cash prices at 1 facility for code 86618, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between — and —.

Lowest$21.41Sweetwater Hospital Association
Median$21.41half pay less
Highest$21.41in 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 Sweetwater, TN.

median
Lowest $21.41Highest $199.87

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Sweetwater Hospital Association lowest Sweetwater, TN · (865) 213-8200 LYME DISEASE ABS W/ REFLEX TO IA 39733 $21.41 $47.58 $15.13–$42.82 55% —
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Sweetwater Hospital Association Sweetwater, TN · (865) 213-8200 LYME DISEASE AB WESTER BLOT 8593 IGG/IGM $83.16 $184.80 $15.13–$166.32 55% —
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Sweetwater Hospital Association Sweetwater, TN · (865) 213-8200 LYME DISEASE CSF 15564 0.5 ML $129.94 $288.75 $15.13–$259.88 55% —
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Sweetwater Hospital Association Sweetwater, TN · (865) 213-8200 LYME DISEASE ABS BY EIA 6646 IGG/IGM $199.87 $444.15 $15.13–$399.74 55% —
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Inpatient: lowest $21.41, median $21.41, highest $21.41.

As an outpatient, the same code is billed by 1 facility here, median $21.41 — that is the price to compare if you are not being admitted.

Cash or insurance?

At the one hospital here that publishes insurer rates for this code, the cash price is below the highest rate a health plan has negotiated. 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.