Prolactin test cost in Key West, FL
In Key West-Key Largo, FL, 2 hospitals list a cash price for Prolactin blood test: from $16.25 to $16.25, with a median of $16.25. The lowest listed price is at Mariners Hospital and 1 other hospital. Across Florida, the median is $63.73 at 80 hospitals.
Cash prices at 2 facilities across 2 cities 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 Mar 30, 2026 and Mar 30, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Key West-Key Largo, FL.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Mariners Hospital lowest Tavernier, FL Prolactin - LC | $16.25 | $25.00 | $4.33–$25.00 | 35% | Mar 30, 2026 source file |
| Fishermens Health, INC lowest Marathon, FL Prolactin - LC | $16.25 | $25.00 | $4.18–$25.00 | 35% | Mar 30, 2026 source file |
| Mariners Hospital Tavernier, FL ARU Prolactin, Serum | $24.05 | $37.00 | $6.40–$37.00 | 35% | Mar 30, 2026 source file |
| Fishermens Health, INC Marathon, FL ARU Prolactin, Serum | $24.05 | $37.00 | $6.18–$37.00 | 35% | Mar 30, 2026 source file |
| Mariners Hospital Tavernier, FL Prolactin | $425.10 | $654.00 | $6.72–$654.00 | 35% | Mar 30, 2026 source file |
| Fishermens Health, INC Marathon, FL Prolactin | $425.10 | $654.00 | $6.72–$654.00 | 35% | Mar 30, 2026 source file |
Outpatient: lowest $16.25, median $16.25, highest $16.25.
As an inpatient, the same code is billed by 2 facilities here, median $16.25. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 2 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
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.