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HelpTest Code LH Luteinizing Hormone
Patient Preparation
No special patient preparation required
Collection Method
Venous collection
Minimum Volume
- Adults: 0.8 ml
- Pediatric: 0.5 ml
Container
Lt Green / Plasma Separator / Lithium Heparin
Preferred Specimen
Light Green Top (lithium heparin) plasma
Acceptable Specimens
Serum:
- Gold Top SST
- Red Top
Plasma:
- Light Geen Top (Lithium heparin)
- Pink Top(K3 EDTA)
- Dark Green Top (Sodium heparin)
Reference or Target Ranges
| Female | Follicular Phase | 1.9 – 12.5 mIU/mL |
| Mid-Cycle Ovulation Peak | 8.7 – 76.3 mIU/mL | |
| Luteal Phase | 0.5 – 16.9 mIU/mL | |
| Pregnancy | 0.1 - 1.5 mIU/mL | |
| Postmenopausal | 5 - 55.2 mIU/mL | |
| Male | 20 - 70 years | 1.5 - 9.3 mIU/mL |
| 71 - 150 | 3.1 - 34.6 mIIU/mL | |
| Children | 0.1 - 6 mIU/mL |
Reportable Units
mIU/mL
Critical Value
Not defined for this assay
Reasons for Rejection
<!-- Rejection-->
| Hemolysis Threshold | 500 mg/dL |
| Icterus Threshold | 20 mg/dL |
| Lipemia Threshold | 3000 mg/dL |
| Other | QNS, contaminated, improperly Labeled, improper specimen type |
Specimen Stability
<!-- Stability -->
| Ambient | Not listed |
| Refrigerated (4°C to 8°C) | 14 days |
| Frozen(-40°C to 0°C) | 6 months |
Performance Information
<!-- Performance information -->
| Days and Time Performed | 24/7 |
| Expected Turn Around Time |
Stat: within 60 minutes of arrival in lab Routine: within 4 hours of arrival in lab |
| Stat Availability | Yes |
| Performing Bench | UH Chemistry |
| Methodology/Method Description | Siemens Atellica - ImmunoAssay |
CPT Codes
83002