Lab tests CPT 84146 Outpatient

Prolactin test cost in Rockford, IL

In Rockford, IL, 1 hospital lists a cash price for prolactin blood test: from $245.91 to $245.91, with a median of $245.91. Across Illinois, the median is $117.60 at 103 hospitals.

Cash prices at 1 facility for code 84146, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 29, 2026; the hospital files themselves were last updated between Mar 1, 2026 and Mar 1, 2026.

Lowest$245.91Rockford Memorial Hospital
Median$245.91half pay less
Highest$245.91in this market
Difference1.0×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 Rockford, IL.

median
Lowest $245.91Highest $245.91

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Rockford Memorial Hospital lowest Rockford, IL · (815) 968-6861 CHG ASSAY OF PROLACTIN $245.91 $327.88 — 25% Mar 1, 2026
source file
Rockford Memorial Hospital lowest Rockford, IL · (815) 968-6861 CHG ASSAY OF PROLACTIN $245.91 $327.88 — 25% Mar 1, 2026
source file

Outpatient: lowest $245.91, median $245.91, highest $245.91.

As an inpatient, the same code is billed by 1 facility here, median $245.91. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

What it is

Prolactin is a pituitary hormone that drives milk production. The test is ordered for irregular or absent periods, nipple discharge, infertility, low sex drive and suspected pituitary tumors.

What the price covers

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