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Test Code LH Luteinizing Hormone (LH), Plasma or Serum

Performing Laboratory

North Ottawa Community Hospital

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred:

Specimen Type: Plasma

Container/Tube: Mint-green top (lithium heparin gel)

Specimen Volume: 1 mL

Collection Instruction: 

1. Label specimen as plasma.

2. Avoid hemolysis and lipemia.

 

Acceptable:

Specimen Type: Serum

Container/Tube: Serum gel or red top

Specimen Volume: 1 mL

Collection Instruction: 

1. Label specimen as serum.

2. Avoid hemolysis and lipemia.

Reference Values

Males: 0.8-7.6 mIU/mL

Females

Follicular phase: 1.1-11.6 mIU/mL

Midcycle: 17.0-77.0 mIU/mL

Luteal phase: 0.0-14.7 mIU/mL

Postmenopausal: 11.3-39.8 mIU/mL

Day(s) Test Set Up

Monday, Wednesday, Friday

Methodology

Immunometric

Specimen Transport Temperature

Ambient

Test Classification and CPT Coding

83002

Specimen Storage and Stability

Specimen Type Temperature Time
Serum/Plasma Room Temp < 4 hours
  Refrigerated (primary) <5 days
  Frozen <4 weeks