Lab tests CPT 83540 Inpatient — admitted to hospital

Iron test cost in Rockford, IL — inpatient

In Rockford, IL, 1 hospital lists a cash price for iron blood test (serum iron) as an inpatient: from $140.66 to $140.66, with a median of $140.66. Across Illinois, the median is $78.35 at 104 hospitals.

Cash prices at 1 facility for code 83540, as an inpatient (admitted to hospital) . Collected Sep 29, 2026; the hospital files themselves were last updated between Mar 1, 2026 and Mar 1, 2026.

Lowest$140.66Rockford Memorial Hospital
Median$140.66half pay less
Highest$140.66in this market
Difference1.0×highest vs lowest

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Rockford Memorial Hospital Rockford, IL · (815) 968-6861 CHG ASSAY OF IRON $140.66 $187.54 — 25% Mar 1, 2026
source file

Inpatient: lowest $140.66, median $140.66, highest $140.66.

As an outpatient, the same code is billed by 1 facility here, median $140.66 — that is the price to compare if you are not being admitted.

What it is

A serum iron test measures the iron carried in the blood. It is usually ordered with iron-binding capacity and ferritin to check for iron deficiency or iron overload.

What the price covers

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