Lab tests CPT 83550 Inpatient — admitted to hospital

TIBC test cost in St. Louis, MO — inpatient

In St. Louis, MO-IL, 7 hospitals list a cash price for iron-binding capacity (TIBC) test as an inpatient: from $30.28 to $122.40, with a median of $100.79. The lowest listed price is at Mercy Rehabilitation Hospital South — $70.51 less than the median here. Across Missouri, the median is $53.30 at 29 hospitals.

Cash prices at 7 facilities across 7 cities for code 83550, 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$30.28Mercy Rehabilitation Hospital South
Median$100.79half pay less
Highest$122.40in this market
Difference4.0×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 St. Louis, MO-IL.

median
Lowest $30.28Highest $122.40

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Mercy Rehabilitation Hospital South lowest Louis, MO IRON BINDING CAPACITY $30.28 $30.28 $30.28 — Mar 16, 2026
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St Elizabeths Hospital of the Hospital Sisters of the Third Order of St Francis O'Fallon, IL HC IRON BINDING CAPACITY $43.92 $61.00 $3.80–$61.00 28% —
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Gateway Regional Medical Center Granite City, IL · (618) 798-3000 IRON BINDING CAPACIT $51.70 $86.16 $86.16 40% —
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Mercy Rehabilitation Hospital St. Louis Chesterfield, MO IRON BINDING CAPACITY $100.79 $100.79 $100.79 — Mar 16, 2026
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St Josephs Hospital of the Hospital Sisters of the Third Order of St Francis Highland, IL · (618) 651-2600 HC IRON BINDING CAPACITY $108.72 $151.00 $8.84–$151.00 28% —
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St Josephs Hospital Hospital Sisters Third Order of St Francis Breese, IL · (618) 526-4511 IRON BINDING TEST $110.88 $154.00 $3.80–$154.00 28% —
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Hshs Holy Family Hospital Greenville, IL · (618) 664-1230 HC IRON BINDING CAPACITY $122.40 $170.00 $3.99–$170.00 28% —
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Inpatient: lowest $30.28, median $100.79, highest $122.40 — a 4.0× difference within the same market.

As an outpatient, the same code is billed by 11 facilities here, median $83.20 — 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 total iron-binding capacity test measures how much iron the blood can carry. It is ordered with serum iron (83540) to check for iron deficiency or overload.

What the price covers

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