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 |