Follicle Stimulating Hormone (Quest)

Test Code
FSHQ


Quest Code
470


CPT Codes
83001

Preferred Specimen
1 mL serum


Minimum Volume
0.5 mL


Instructions
Note: For pre-pubertal children, test code 36087 FSH, Pediatrics assay is recommended.


Transport Container
Plastic screw-cap vial


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days


Methodology
Immunoassay (IA)

Setup Schedule
Set up: Sun nights, Mon-Fri (all shifts); Sat a.m. and nights; Report available: Next day


Limitations
Only third generation FSH testing is appropriate to assess gonadal dysfunction in non-adults (<18 years). Combined with luteinizing hormone (LH), FSH is useful in the diagnosis and management of infertility and in monitoring FSH suppressive therapy.


Reference Range
Male 1.6-8.0 mIU/mL
Female    
  Follicular Phase 2.5-10.2 mIU/mL
  Mid-Cycle Peak 3.1-17.7 mIU/mL
  Luteal Phase 1.5-9.1 mIU/mL
  Postmenopausal   23.0-116.3  mIU/mL
Children (<18 years old): FSH reference ranges established on post-pubertal patient population. Reference range not established for pre-pubertal patients using this assay. For pre-pubertal patients, the Quest Diagnostics FSH, Pediatrics assay is recommended (test code 36087).


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


Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153




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.