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Prolactin
Test CodeLAB531
Alias/See Also
1231100233
CPT Codes
84146
Includes
PROLACTIN
Preferred Specimen
Green Lithium Heparin tube (Gel separator preferred)
Minimum Volume
0.5 mL plasma
Instructions
CLINIC COLLECTIONS: Collect 0.5 mL plasma in Green Lithium Heparin tube (Gel separator preferred). Must be spun within 2 hours after collection. If no gel separator, plasma must be pulled off cells within 2 hours.
If collecting with AST, ALT, VD25, K+, or LDH, label routes to Gold/SST. Collect 1.0 mL of serum in Gold/SST. Must be spun within 2 hours after collection.
If collecting with AST, ALT, VD25, K+, or LDH, label routes to Gold/SST. Collect 1.0 mL of serum in Gold/SST. Must be spun within 2 hours after collection.
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated (2 to 8°C): 7 days
Freezer (-10°C or colder): 12 months
Freezer (-10°C or colder): 12 months
Methodology
Abbott Alinity
Reference Range
Females: Non pregnant: 2.8 - 29.2 ng/mL Pregnant: 9.7 - 208.5 ng/mL Postmenopausal: 1.8 - 20.3 ng/mL Males:
2.1 - 17.7 ng/mL
2.1 - 17.7 ng/mL
Performing Laboratory
LITTLE ROCK LABORATORY
Last Updated: August 28, 2026
