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Test ID:
MPROL SP
Macroprolactin and Prolactin, Serum/Plasma
Test Overview
Method
Immunoassay with PEG precipitation
Result Included
Prolactin; Macroprolactin; Monomeric Prolactin
Specimen
Specimen Type
SerumPlasma (Li Heparin)
Containers
Collection Containers
Gold top (clot activator & gel);Red top (no additive);Green top (lithium heparin)
Volume
Sample Volume
2.0 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 | Refrigerated | Frozen |
|---|---|---|
| 8 hours | 2 days | 120 days |
Avoid repeated freezing and thawing.
Performance & Interpretation
Turnaround Time
7 days
Results
Name
Units
Reference Range
Conversion
-
Prolactinµg/L0 to < 30 days: 50.9 – 200
30 days to < 1 y: 4.0 – 71
1 to < 19 y: 3.2 – 18.5
Male, >=19 y: 2.6 – 18.0
Female Premenopausal (< 50 y): 3.3 – 26.7
Female Postmenopausal (>= 50 y): 2.7 – 19.6 -
Monomeric Prolactinug/L0 to < 30 days: 50.9 - 200.0
30 d to < 1 yr: 4.0 – 71.0
1 to < 19 yr: 3.2 – 18.5
19+ Male: 2.6 – 18.0
19+ Female: Premenopausal (< 50 yr): 3.3 – 26.7 ug/L
19+ Female: Postmenopausal (≥ 50 yr): 2.7 – 19.6 ug/L -
MacroprolactinFractionNormal: 40%
Borderline: 40-60%
Abnormal: 60%
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| MPROL SP | Prolactin | 28629 | ug/L |
| Monomeric Prolactin | 66266 | ug/L | |
| Macroprolactin | 66265 | % |
Test Version
Last Updated
2025-12-01