Lab tests CPT 84146 Outpatient

Prolactin test cost in Napa, CA

In Napa, CA, 1 hospital lists a cash price for prolactin blood test: from $60.84 to $60.84, with a median of $60.84. Across California, the median is $107.12 at 88 hospitals.

Cash prices at 1 facility for code 84146, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$60.84Providence Queen of the Valley Medical Center
Median$60.84half pay less
Highest$60.84in 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 Napa, CA.

median
Lowest $60.84Highest $174.42

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Providence Queen of the Valley Medical Center lowest Napa, CA · (707) 252-4411 HC ASSAY OF PROLACTIN CDM $60.84 $119.30 — 49% Apr 1, 2026
source file
Providence Queen of the Valley Medical Center Napa, CA · (707) 252-4411 HC ASSAY OF PROLACTIN CDM $174.42 $342.00 — 49% Apr 1, 2026
source file

Outpatient: lowest $60.84, median $60.84, highest $60.84.

As an inpatient, the same code is billed by 1 facility here, median $60.84. 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.