Test Overview
Test Methodology

Chemiluminescent Immunoassay

Test Usage

Pituitary function test useful in the detection of prolactin secreting pituitary tumors with or without galactorrhea.

Reference Range *

Adult Male: 2 - 18 ng/ml
Adult Female (Non pregnant): 3 - 29 ng/ml

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Specimen may be stored at room temperature up to 8 hours. [12/05]

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

4 hours

Soft Order Code
PRL
MiChart Code
Prolactin
Synonyms
    Laboratory
    Chemical Pathology
    Section
    Automation
    Specimen Requirements
    Collection Instructions

    Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate up to 48 hours or freeze for longer storage.

    Alternate Specimen
    Red Top Tube
    Normal Volume
    0.5 mL serum
    Minimum Volume
    0.25 mL serum
    Additional Information

    Prolactin Hook Effect Check (PRLHK) is available for ordering via Michart or may be requested by contacting the Chemistry Laboratory at 6-6702. A Prolactin order must accompany the PRLHK order or have been previously completed (24 hours).

    Billing
    CPT Code
    84146
    Fee Code
    23315
    LOINC
    2842-3
    NY State Approved
    No