Specimen:
Collect
- One SST
Also Acceptable:
- One Gray Top
- One Green Top (Li Heparin)
- One Green Top (Na Heparin)
- One Lavender (EDTA)
- One Pink Top (EDTA)
- One Red Top
Submit
- 1 mL (Min:0.5 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.
Also Acceptable:
- 1 mL (Min:0.5 mL) Plasma . Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling
- Allow specimen to clot completely at room temperature
- Avoid Repeated Freeze/Thaw Cycles
- For patients receiving therapy with high biotin doses (>5 mg/day), no laboratory test specimen should be collected until at least 8 hours after the last biotin administration.
- Minimize air exposure
- Separate from cells ASAP
Rejection Criteria
- Heat inactivated
Stability
Ambient: Unacceptable; Refrigerated: 2 Week(s); Frozen: 6 Month(s); Incubated: Unacceptable
Methodology
- Chemiluminescence
- Sandwich Assay
Performed
Mon-Fri
Reported
1-3 Day(s)
CPT Codes
- 83002
Interpretive Data
Male Reference Ranges
- 0 - 1 year(s) : 1.70-2.70 mIU/ml
- 1 - 10 year(s) : 0.10-1.70 mIU/ml
- 10 - 18 year(s) : 1.70-4.70 mIU/ml
- 18 - 150 year(s) : 1.40-7.70 mIU/ml
Female Reference Ranges
- 0 - 10 year(s) : 0.10-1.70 mIU/ml
- 10 - 18 year(s) : 1.70-7.70 mIU/ml
- 18 - 150 year(s) : See Comment
Female age-related LH Reference Ranges:
0.1-1.7 Ages 0-10 yrs
1.7-7.7 Ages 11-18 yrs
Additional female LH Reference Ranges:
2.4-12.6 Follicular Phase
14-95.6 Ovulation Phase
1.0-11.4 Luteal Phase
7.7-58.5 Postmenopause
Male age-related LH Reference Ranges:
1.7-2.7 Ages 0-1 yrs
0.1-1.7 Ages 2-10 yrs
1.7-4.7 Ages 11-18 yrs
1.4-7.7 Ages 19+ yrs
Biotin in specimens taken from patients on high-dose biotin therapy or supplements may intefere with this test and cause inaccurate test results. It is recommended that for patients receiving therapy with high biotin doses (> 5 mg/day), no laboratory test specimen should be collected until at least 8 hours after the last biotin administration.
Components
- 2167 - LH
Last Updated: May 8, 2025 @ 9:13 am
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