Lab tests CPT 86618 Inpatient — admitted to hospital

Lyme disease test cost in Portland, ME — inpatient

In Portland-South Portland, ME, 5 hospitals list a cash price for Lyme disease antibody test as an inpatient: from $41.08 to $220.50, with a median of $105.90. The lowest listed price is at Mercy Hospital — $64.82 less than the median here. Across Maine, the median is $77.55 at 22 hospitals.

Cash prices at 5 facilities across 4 cities for code 86618, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Sep 9, 2025 and Sep 9, 2025.

Lowest$41.08Mercy Hospital
Median$105.90half pay less
Highest$220.50in this market
Difference5.4×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 Portland-South Portland, ME.

median
Lowest $41.08Highest $220.50

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Mercy Hospital lowest Portland, ME LYME DISEASE CSF/LAB $41.08 $158.00 $102.70–$117.87 74% —
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Mercy Hospital lowest Portland, ME BORRELIA AB (LYME) $41.08 $158.00 $102.70–$117.87 74% —
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York Hospital York, ME · (207) 351-2478 (ARUP) BORRELIA BURG VISEE1PEPC10 ANTIB $85.80 $143.00 — 40% —
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MaineHealth Brunswick, ME · (207) 729-0181 HC ANTILYME DISEASE $105.90 $105.90 $74.77–$99.97 — Sep 9, 2025
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York Hospital York, ME · (207) 351-2478 LYME DISEASE AB (IGM ONLY) $108.00 $180.00 — 40% —
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York Hospital York, ME · (207) 351-2478 LYME ANTIBODY IGG AND IGM $116.40 $194.00 — 40% —
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York Hospital York, ME · (207) 351-2478 B.BURGDORFERI AB (LYME) $118.20 $197.00 — 40% —
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MaineHealth Biddeford, ME HC ANTILYME DISEASE $153.20 $153.20 $112.69–$144.01 — Sep 9, 2025
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MaineHealth Portland, ME · (207) 662-0111 B* HC ANTIBODY BORRELIA BURGDORFERI LYME DISEASE $220.50 $220.50 $162.20–$207.27 — Sep 9, 2025
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Inpatient: lowest $41.08, median $105.90, highest $220.50 — a 5.4× difference within the same market.

As an outpatient, the same code is billed by 6 facilities here, median $99.45 — that is the price to compare if you are not being admitted.

Cash or insurance?

At 1 of 4 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 1 it is 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.