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Prolactin
Test CodePROL
CPT Codes
84146
Preferred Specimen
2.0 mL of whole blood (1.0 mL of serum or plasma)
Minimum Volume
0.6 mL of whole blood (0.3 mL of serum or plasma)
Transport Container
Serum Separator (gold top), Lithium heparin (green or mint top), no additive red top
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature: 8 hours
Refrigerated: 7 days
Frozen: 3 months
Refrigerated: 7 days
Frozen: 3 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Turbidity
Methodology
Chemiluminescent immunometric assay
Setup Schedule
Monday through Saturday
Report Available
Report available within 24 hours.
Reference Range
Female: 1.9 to 25.0 ng/mL
Male: 2.5 to 17.0 ng/mL
Male: 2.5 to 17.0 ng/mL
Clinical Significance
Prolactin is an important tool in the investigation of amenorrhea, galactorrhea, and hypothalamic-pituitary disorders.
