ISI Order Code:
SHBG
CPT Code:
84270
Clinical Significance:
Procedure:
Serotonin is measured by direct ELISA.
SHBG (Sex Hormone-binding Globulin) is a variably glycosylated, secreted, non-disulfide-linked homodimer. In circulation, SHBG binds to male and female sex hormones with equal affinity. It plays a role in regulating hormone access to target tissues and controlling the availability (“free”) of active hormones in circulation.
Reference Range:
Female 8 – 158 nmol/L
Male 10 – 99 nmol/L
Expected Turn-around-Time:
7-10 Business Days
Turnaround time is defined as the usual number of days from the date of receipt of a specimen for testing to when the result is released to the ordering facility.
Patient Preparation:
Patient should not be on any Steroid, ACTH, Gonadotropin or Estrogen medications, if possible, for at least 48 hours prior to collection of specimen.
Specimen Collection:
3 ml serum or EDTA plasma should be collected and separated as soon as possible. Minimum specimen size is 0.5 ml.
Special Specimens:
For tumor/tissue and various fluids (i.e. CSF, peritoneal, synovial, etc.) contact the Institute for requirements and special handling.
Shipping Instructions:
Ship specimens frozen in dry ice.