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Epic Code LAB88 Luteinizing Hormone (LH), 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

Luteinizing Hormone Blood Level | LH Blood Level | Interstitial Cell Stimulating Hormone | 6690

Interface Order Alias

10200

Specimen Requirements

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: Plasma or Serum

Centrifuge/Spin: Yes

Aliquot: Yes

 

Processing Instructions:

  • Plasma 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: Refrigerate

Specimen Stability

Ambient: 12 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

Female:

Pre-pubertal 0 – 0.3 mIU/mL
Early- pubertal 0 – 12.0 mIU/mL
Late-pubertal 0.4 – 11.7 mIU/mL
Follicular 2.0 – 12.0 mIU/mL
Ovulatory 25.0 – 85.0 mIU/mL
Luteal 1.0 – 16.0 mIU/mL
Post-menopausal 13.0 – 65.0 mIU/mL

 

Male:

Pre-pubertal 0 – 0.3 mIU/mL
Early- pubertal 0.2 – 5.0 mIU/mL
Late-pubertal 0.4 – 7.0 mIU/mL
Adult 2.0 – 10.0 mIU/mL

 

Performing Department

Chemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Methodology

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

CPT

83002

CDM Code

3018300202

Epic Test ID

1230100901

LOINC

LH: 10501-5

Mayo Access Code

SHO6690

Reviewed Date

3/7/2024