Sign in →

Epic Code LAB531 Prolactin, Blood Level

Important Note

Method is Roche cobas Electrochemiluminescense Immunoassay.
Patient results determined by assays using different manufacturers for methods may not be comparable.

Test Name Alias

Prolactin Lvl | PRL | 6711 | SHO137 | 1230101076

Interface Order Alias

10070

Collection Instructions

Specimen Collection: Blood

 

Container(s): 4.5 mL Mint Green Top (Lithium Heparin Gel) or 5.0 mL Gold Top (Serum Separator-SST Gel)

Preferred Volume to Collect: 4.5 mL

Minimum Volume to Collect: 2.0 mL

Neonate Volume to Collect: 1.0 mL

Capillary collect ok? Yes

Microtainer acceptable: Yes

 

Collection Instructions:

  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 2 hours See Processing Instructions.

 

Processing Instructions (Laboratory, Outpatient or Off-site collection)

 

Processed Specimen: Serum or Plasma

Centrifuge/Spin: Yes

Aliquot: Yes

 

Processing Instructions:

  • Serum is preferred specimen type
  • Green Tube/Plasma: Centrifuge after collection. Minimum plasma: 1.0 mL
  • Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours. Minimum serum: 1.0 mL

 

Transport Temperature: Refrigerated

Specimen Transport Temperature

Refrigerate

Specimen Stability

Ambient: 8 hours

Refrigerate: 72 hours

Frozen: aliquot plasma/serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

  CHW CHS
Male 3.0 – 15.0 ng/mL 4.0 – 15.2 ng/mL
Female: Up to 50 years 3.0 – 27.0 ng/mL 4.8 - 23.3 ng/mL
Female: 50 years and up 3.0 – 20.0 ng/mL 4.8 - 23.3 ng/mL

 

Performing Department

Chemistry

Performing Department Laboratory Location

CHW: Corewell Health Reference Laboratory, Grand Rapids, MI
CHS: Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI

Methodology

Method is Roche cobas Electrochemiluminescense Immunoassay.
Patient results determined by assays using different manufacturers for methods may not be comparable.
 

CPT

84146

CDM Code

3018414601

Epic Test ID

1230101076

LOINC

Prolactin Lvl: 2842-3

Mayo Access Code

SHO137

Reviewed Date

3/7/2024

Updated Date

5/28/2025 - CHS info added

12/2/2025 - Gold Top Preferred specimen

Orderable Regions

Southwest; West