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Epic Test Code LAB87 Luteinizing Hormone (LH)

Performing Location(s)

BMC

Synonyms

ICSH

Interstitial Cell Stimulating Hormone

Specimen Type

Serum or Plasma

Preferred Container

Gold or Red top

Alternate Container

Green top tube

Blood Tube Draw Volume

Min 50% draw volume  

Minimum Volume to Submit for Testing

1.0 mL Serum or Plasma

  • Multiple test can be performed from this volume. For question please contact the lab at 547-3975.  

Transportation Needs

Deliver specimen to laboratory within 1 hour of collection if unspun. If not possible see "storage Requirements". 

Storage Requirements

Sample tubes should be centrifuged within 2 hours of collection 

Gold tops are stable in original tubes for 24 hours DO NOT ALIQUOT

Aliquot Red tops

See Causes of Rejection for temperature requirements.

 

 

Causes for Rejection

Mislabeled or unlabeled specimen
Less than 50% draw for Vacutainer tubes

>24 hours Gold top
> 48 hours Refrigerated
>8 hours Room Temperature
> 48 hours Frozen
Hemolysis > 300 mg/dL HgB
Lipemia > 1800 mg/dL Trig
Bilirubin > 10 mg/dL Bili

EDTA,Citrate,NaF,Oxalate

Limitations

Secretion of LH is pulsatile in response to the normal intermittent release of gonadotropin releasing hormone (GnRH). In females, LH varies over the course of the menstrual cycle. Thus, interpretation of a single determination may be difficult. 

Reference Values

Population Phase Units Reference Range
Male n/a mIU/mL < 9
Female Luteal mIU/mL 1.2-12.9
  Ovulatory Peak mIU/mL 19.0-103
  Postmenopausal mIU/mL 10.9-58.6
  Pregnant mIU/mL < 1

 

Days of Analysis

All

Available STAT

Yes

Methodology

Beckman AU/Dx Series

CPT Code

83002

Last Updated

26-OCT-24 MS