LH, Pediatric
Test Mnemonic
LHPED
CPT Codes
- 83002 - QTY (1)
LOINC ®
10501-5
Aliases
- Luteinizing Hormone, Pediatric
Includes
- LH, Pediatrics, S
Performing Laboratory
LabCorp
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Frozen | Separate serum from cells ASAP or within 45 minutes of collection. Transfer serum to standard aliquot tube. Submit separate frozen specimens for each test requested. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | Red Plain | Frozen | Separate serum from cells ASAP or within 45 minutes of collection. Transfer serum to standard aliquot tube. Submit separate frozen specimens for each test requested. | |
| 1 mL | Plasma | EDTA (Lavender) | Frozen | Separate plasma from cells ASAP or within 45 minutes of collection. Transfer plasma to standard aliquot tube. Submit separate frozen specimens for each test requested. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 24 hours |
| Refrigerated | After separation from cells: 48 hours |
| Frozen | After separation from cells: 200 days |
Days Performed
Mon - Fri
Turnaround Time
6 - 11 days
Methodology
| Name | Description |
|---|---|
| Electrochemiluminescence (ECL) |
Reference Range
| LH, Pediatric | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Female | 2 Weeks | 11 Months | Normal | 0.02 - 7.0 | mIU/mL | Female | 12 Months | 8 Years | Normal | 0.02-0.3 | mIU/mL | Female Tanner Stage I: (<9.2 years) 0.02 - 0.18 mIU/mL | Female Tanner Stage II: (9.2 - 13.7 years) 0.02 - 4.7 mIU/mL | Female Tanner Stage III: (10.0 - 14.4 years) 0.10 - 12.0 mIU/mL | Female Tanner Stage IV-V: (10.7 - 18.6 years) 0.4 - 11.7 mIU/mL | Female Follicular: 2.0 - 9.0 mIU/mL | Female Mid- cycle: 18.0 - 49.0 mIU/mL | Female Luteal: 2.0 - 11.0 mIU/mL | Female postmenopausal: 20.0 - 70.0 mIU/mL | Male Tanner Stage I: (<9.8 years) 0.02 - 0.3 mIU/mL | Male Tanner Stage II: (9.8 - 14.5 years) 0.2 - 4.9 mIU/mL | Male Tanner Stage III: (10.7 - 15.4 years) 0.2 -5.0 mIU/mL | Male Tanner Stage IV-V: (11.8 - 17.3 years) 0.4 - 7.0 mIU/mL | Male | 2 Weeks | 11 Months | Normal | 0.02 - 7.0 | mIU/mL | Male | 12 Months | 8 Years | Normal | 0.02 - 0.3 | mIU/mL | Male | Normal | 1.5 - 9.0 | mIU/mL |
Special Info
To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Clinical Info
This test is useful for diagnosis of precocious puberty and delayed puberty in children.