Prolactin test cost in Mayagüez, PR — inpatient
In Mayagüez, PR, 2 hospitals list a cash price for prolactin blood test as an inpatient: from $45.00 to $79.74, with a median of $62.37. The lowest listed price is at Hospital de la Concepcion — $17.37 less than the median here. Across Puerto Rico, the median is $62.37 at 2 hospitals.
Cash prices at 2 facilities across 2 cities for code 84146, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between Dec 26, 2024 and Mar 31, 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 Mayagüez, PR.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Hospital de la Concepcion lowest San German, PR · (787) 892-1860 (Nd)- Macroprolactin | $45.00 | $45.00 | — | — | Dec 26, 2024 source file |
| Hospital de la Concepcion San German, PR · (787) 892-1860 Prolactin Serum | $71.00 | $71.00 | — | — | Dec 26, 2024 source file |
| Mayaguez Medical Center Mayaguez, PR Prolactin | $79.74 | $79.74 | $18.48–$40.00 | — | Mar 31, 2026 source file |
| Hospital de la Concepcion San German, PR · (787) 892-1860 Macroprolactin ((desgl) | $107.00 | $107.00 | — | — | Dec 26, 2024 source file |
| Hospital de la Concepcion San German, PR · (787) 892-1860 Prolactin Dilution Study | $122.70 | $122.70 | — | — | Dec 26, 2024 source file |
Inpatient: lowest $45.00, median $62.37, highest $79.74 — a 1.8× difference within the same market.
As an outpatient, the same code is billed by 2 facilities here, median $62.37 — that is the price to compare if you are not being admitted.
Cash or insurance?
At the one hospital here that publishes insurer rates for this code, the cash price is not below the highest rate a health plan has negotiated. 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.