Lab tests CPT 84146 Inpatient — admitted to hospital

Prolactin test cost in Spokane, WA — inpatient

In Spokane-Spokane Valley, WA, 3 hospitals list a cash price for prolactin blood test as an inpatient: from $115.50 to $158.20, with a median of $127.26. The lowest listed price is at Providence St Joseph Hospital — $11.76 less than the median here. Across Washington, the median is $108.47 at 33 hospitals.

Cash prices at 3 facilities across 3 cities for code 84146, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$115.50Providence St Joseph Hospital
Median$127.26half pay less
Highest$158.20in this market
Difference1.4×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 Spokane-Spokane Valley, WA.

median
Lowest $115.50Highest $170.10

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Providence St Joseph Hospital lowest Chewelah, WA · (509) 935-8211 HC ASSAY OF PROLACTIN CDM $115.50 $165.00 — 30% Apr 1, 2026
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Providence Holy Family Hospital Spokane, WA · (509) 482-0111 HC ASSAY OF PROLACTIN CDM $127.26 $181.80 — 30% Apr 1, 2026
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Providence Holy Family Hospital Spokane, WA · (509) 482-0111 HC ASSAY OF PROLACTIN CDM $145.60 $208.00 — 30% Apr 1, 2026
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Providence Mount Carmel Hospital Colville, WA · (509) 684-2561 HC ASSAY OF PROLACTIN CDM $158.20 $226.00 — 30% Apr 1, 2026
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Providence Holy Family Hospital Spokane, WA · (509) 482-0111 HC ASSAY OF PROLACTIN CDM $170.10 $243.00 — 30% Apr 1, 2026
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Inpatient: lowest $115.50, median $127.26, highest $158.20 — a 1.4× difference within the same market.

As an outpatient, the same code is billed by 4 facilities here, median $136.85 — that is the price to compare if you are not being admitted.

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.