Prolactin


Abbrev Code:PROLAC   
Order Code:LAB531Order Name:Prolactin
Synonyms:PRL
Methodology:Electrochemiluminescence immunoassay (ECLIA)
CPT Codes: 84146 x1, 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)
Alternate Containers: Green (lithium heparin, no gel), Red (no gel), Red (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:5 days at room temperature; 14 days refrigerated; 6 months frozen. Freeze only once.
Test Performed at or Referral Lab Chemistry  (Roche-Grand Itasca, Roche-UMMC East)


Interpretive

Reference Range:
  ng/mL
0-30 d 1.1-470
1-11 mo 5.2-60
1-19 y 3-25
Male, 19 & older 4.04-15.2
Female, 19 & older 4.79-23.3
Use:Evaluation of pituitary hyperfunction.


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