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Macroprolactin and Prolactin, Serum/Plasma

Test ID: MACPROL

Test

Method

Immunoassay with PEG precipitation

Report Includes

Prolactin; Macroprolactin

Specimens

Serum; Plasma (Li Heparin)

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

26-May-2023

Specimen

Specimens

Serum; Plasma (Li Heparin)

Collection Containers

Gold top (clot activator & gel)!Red top (no additive)!Green top (lithium heparin)

Sample Volume

2 mL

Minimum Volume

1.0 mL

Collection & Handling

Handling Information

Separate within 2 hours of collection and split into two aliquots. Store and send frozen.

Stability

Ambient 8 hours
Refrigerated 2 days
Frozen 120 days

Additional Stability Information

Avoid repeated freezing and thawing.

Test Version

26-May-2023

Performance / Interpretation

Method

Immunoassay with PEG precipitation

Turnaround Time

7 days

Results

Name Units Reference Range Conversion Factor
Prolactin µg/L
  • Female: <25
  • Male: <18
Macroprolactin Fraction
  • Normal: <0.200
  • Borderline: 0.200 - 0.400
  • Abnormal: >0.400

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

26-May-2023

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
MACPROL 28629Prolactin ug/L
28630Macroprolactin

Test Version

26-May-2023