Luteinizing Hormone

Test Code
LUTEINIZING HORMONE


Alias/See Also
LH
Chemistry


Preferred Specimen
Gold Top Tube


Minimum Volume
2 mL


Transport Temperature
Refrigerate


Specimen Stability
Room temperature: 24 hours. Separate if not tested within this time.
Refrigerated (2-8°C): 7 days
Frozen (-10°C or colder): If not tested within 7 days
Max freeze/thaw cycles: 3


Methodology
Chemiluminescence  microparticle immunoassay

Setup Schedule
M - F


Report Available
TAT 3 - 7 days


Reference Range
Gender/Phase Reference range Units
Male 1 - 9 mIUnits/mL
Female/Mid-Follicular phase 2 - 12 mIUnits/mL
Female/Mid cycle phase 19 - 103 mIUnits/mL
Female/Mid-Luteal 1 - 13 mIUnits/mL
Female/Postmenopausal 10 - 59 mIUnits/mL


Clinical Significance
This test is useful in the differential diagnosis of pituitary and gonadal insufficiency and in children with precocious puberty.


Performing Laboratory
Test performed at West Roxbury Chemistry Lab
Contact: Jonathan Dryjowicz-Burek 857-203-5973


Last Updated: April 8, 2019


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.