LH with Tanner Stages
Test Mnemonic
LHTAN
CPT Codes
- 83002 - QTY (1)
LOINC ®
10501-5
Aliases
- Luteinizing Hormone
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | Lithium heparin PST (Lt. Green) | Refrigerated |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 8 hours |
| Refrigerated | After separation from cells: 14 days |
| Frozen | After separation from cells: 6 months |
Days Performed
Sun - Sat
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Electro Chemiluminescence Immunoassay (ECLIA) |
Reference Range
| LH | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Female | Years | 8 Years | Normal | Female Tanner Stage I: <= 1.5 mU/mL | Female | 9 Years | 14 Years | Normal | Female Tanner Stage II: <= 5.0 mU/mL | Female | 10 Years | 15 Years | Normal | Female Tanner Stage III: <= 9.0 mU/mL | Female | 12 Years | 17 Years | Normal | Female Tanner Stage IV-V: 0.4 - 15.0 mU/mL | Male | Years | 8 Years | Normal | Male Tanner Stage I: 0.0 - 1.0 mU/mL | Male | 9 Years | 14 Years | Normal | Male Tanner Stage II: 0.0 - 3.6 mU/mL | Male | 10 Years | 15 Years | Normal | Male Tanner Stage III: 0.2 - 6.4 mU/mL | Male | 12 Years | 17 Years | Normal | Male Tanner Stage IV-V: 0.6 - 7.0 mU/mL |
Special Info
Patients taking a biotin dose of up to 5 mg/day should refrain from taking biotin for 4 hours prior to sample collection. Patients taking a biotin dose of 5 to 10 mg/day should refrain from taking biotin for 8 hours prior to sample collection. Patients taking a biotin dose > 10 mg/day should consult with their physician or the laboratory prior to having a sample taken. Clinicians should consider biotin interference as a source of error, when clinically suspicious of the laboratory result.
Clinical Info
Values vary widely during the different phases of the menstruating woman.