Lab tests CPT 83525 Inpatient — admitted to hospital

Insulin test cost in Rockford, IL — inpatient

In Rockford, IL, 1 hospital lists a cash price for insulin blood test as an inpatient: from $175.51 to $175.51, with a median of $175.51. Across Illinois, the median is $72.80 at 99 hospitals.

Cash prices at 1 facility for code 83525, 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$175.51Rockford Memorial Hospital
Median$175.51half pay less
Highest$175.51in 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 INSULIN TOTAL $175.51 $234.01 — 25% Mar 1, 2026
source file

Inpatient: lowest $175.51, median $175.51, highest $175.51.

As an outpatient, the same code is billed by 1 facility here, median $175.51 — that is the price to compare if you are not being admitted.

What it is

An insulin test measures insulin in the blood. It is used to investigate low blood sugar and sometimes to estimate insulin resistance.

What the price covers

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