Prolactin


Abbrev Code:PROLAC   
Order Code:LAB531Order Name:Prolactin
Synonyms:PRL
Methodology:Chemiluminescence
St Joseph: CMIA
CPT Codes: 84146 x1
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Green (lithium heparin, gel), St Joseph - Green (lithium heparin, no gel)
Alternate Containers: Red (no gel), Red or gold (gel), St. Joseph - Red (no gel)
Contraindications:Large doses of biotin (10 mg or more per day) may cause clinically significant interference in prolactin levels. If interference is suspected, it is strongly recommended that biotin is discontinued for at least one week prior to retesting.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:24 hours at room temperature; 7 days refrigerated
Test Performed at or Referral Lab Chemistry  (UMMC East, Grand Itasca, St. Joseph's)


Interpretive

Reference Range:
Females ng/mL
1-9 y 2-18
10 y & older (nonpregnant) 3-27
Pregnant females 8-347
Males: 1 y & older 2-18
Reference range not established on patients under 1 year of age.

Grand Itasca
Males 2.64-13.13 ng/mL
Females (Pre-menopausal) 3.34-26.72 ng/mL
Females (Post-menopausal) 2.74-19.64 ng/mL
 
St Joseph:
Males 0-15 ng/mL
Females 0-20 ng/mL
 
Use:Evaluation of pituitary hyperfunction.


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