Tube Type

Test ID   LAB531
EPIC Order
CPT Code(s)   84146
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   30
Specimen Routine: 4 mL blood/serum separator tube/gold top/red top acceptable
  micro: 0.9 mL blood in gold or red top bullet
Unspun: 48 hours
Spun Room Temperature: 48 hours
Spun Refrigerator: 5 days
Spun Frozen: 4 weeks
Availability 24 hrs/day
Turnaround Time Routine: 2 hrs
Stat: 90 mins
Reference Range Male: 4-18 ng/mL
  Female: 3-19 ng/mL    
  Unspecified:  3.5-18.5    

Testing is performed using OrthoClinical Diagnostics PROL Immunoassay.  Different test methods should not be used interchangeably. The manufacturer states the Vitros Prolactin test has no high dose hook effect up to 20,680 ng/ml.

Heterophilic antibodies may cause interference.

High doses of biotin may cause test interference.

Questions regarding macroprolactin testing should be directed to Referral Testing at 984-974-1414.

Reviewed by dlburton on December 16, 2019

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514