Lab tests CPT 86762 Inpatient — admitted to hospital

Rubella immunity test cost in St. Louis, MO — inpatient

In St. Louis, MO-IL, 7 hospitals list a cash price for rubella antibody test (immunity check) as an inpatient: from $49.86 to $317.28, with a median of $95.76. The lowest listed price is at Mercy Rehabilitation Hospital South — $45.90 less than the median here. Across Missouri, the median is $52.00 at 29 hospitals.

Cash prices at 7 facilities across 7 cities for code 86762, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 16, 2026 and Mar 16, 2026.

Lowest$49.86Mercy Rehabilitation Hospital South
Median$95.76half pay less
Highest$317.28in this market
Difference6.4×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 St. Louis, MO-IL.

median
Lowest $49.86Highest $317.28

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Mercy Rehabilitation Hospital South lowest Louis, MO RUBELLA ANTIBODY $49.86 $49.86 $49.86 — Mar 16, 2026
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Gateway Regional Medical Center Granite City, IL · (618) 798-3000 RUBELLA AB $53.21 $88.69 $88.69 40% —
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St Josephs Hospital Hospital Sisters Third Order of St Francis Breese, IL · (618) 526-4511 HC RUBELLA AB $79.20 $110.00 $8.09–$110.00 28% —
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St Josephs Hospital of the Hospital Sisters of the Third Order of St Francis Highland, IL · (618) 651-2600 HC RUBELLA AB $95.76 $133.00 $18.83–$133.00 28% —
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Hshs Holy Family Hospital Greenville, IL · (618) 664-1230 RUBELLA ANTIBODY $103.68 $144.00 $8.50–$144.00 28% —
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St Elizabeths Hospital of the Hospital Sisters of the Third Order of St Francis O'Fallon, IL HC RUBELLA AB $105.12 $146.00 $8.09–$146.00 28% —
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Mercy Rehabilitation Hospital St. Louis Chesterfield, MO RUBELLA ANTIBODY $317.28 $317.28 $317.28 — Mar 16, 2026
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Inpatient: lowest $49.86, median $95.76, highest $317.28 — a 6.4× difference within the same market.

As an outpatient, the same code is billed by 11 facilities here, median $95.76 — that is the price to compare if you are not being admitted.

Cash or insurance?

At 5 of 7 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

The rubella antibody test shows whether you are immune to rubella (German measles). It is part of routine prenatal testing and is asked for by some schools and employers.

What the price covers

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