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
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
- PRL
- PROLACTIN
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