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Prolactin
MessageTest performed by York Hospital Laboratory.
Test Code
PROL
CPT Codes
84146
Preferred Specimen
0.2 mL Serum
Transport Container
Serum Separator Tube
Green Top Lithium Heparin Tube also acceptable
Green Top Lithium Heparin Tube also acceptable
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 4 hours
Refrigerated: 5 days
Frozen: 4 weeks
Refrigerated: 5 days
Frozen: 4 weeks
Methodology
Chemiluminescence
Setup Schedule
Monday, Thursday
Report Available
4 Days
Reference Range
| Male | 3.7 - 17.9 ng/mL |
| Female | 3.0 - 18.6 ng/mL |
Clinical Significance
Prolactin plays a major role in the initiation and maintenance of lactation, where there is a physiological elevation of circulating concentrations. Pathological hyperprolactinemia occurs in hypothyroidism and renal failure. Hyperprolactinemia is also known to impair gonadal function in both sexes. Women may present with amenorrhea while men may suffer from impotence.
