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Test Code LH LUTEINIZING HORMONE

Patient Preparation

No special patient preparations required

Collection Method

Venous collection

Minimum Volume

Adults

1.0 mL

Pediatric

0.5 mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Light Green Top (lithium heparin) plasma

Acceptable Specimen(s)

Serum:
-Gold Top SST
-Red Top
Plasma:
-Lt Green top (lithium heparin)

Reference or Target Ranges

Female:

 

Follicular phase:

1.9-12.5 mIU/mL 

Midcycle phase:

8.7-76.3 mIU/mL

Luteal phase:

0.5-16.9 mIU/mL

Pregnant: 

<0.1-1.5 mIU/mL

Post-menopausal:

5.0-55.2 mIU/mL

 

Male

 

20 – 70 years:

1.5 – 9.3 mIU/mL

 >70 years:

3.1-34.6 mIU/mL 

 

Children

<0.1-6.0 mIU/mL

Reportable Units

mIU/mL

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold:

500 mg/dL

Icterus Threshold:

 20 mg/dL (unconjugated)

 

20 mg/dL  (conjugated)

Lipemia Threshold:

3000 mg/dL

Other:

QNS, contaminated, improperly labeled, improper specimen type

Specimen Stability

Ambient

<8 Hours

Refrigerated         

7 Days

Performance Information

Days and Time Performed

24/7

Expected Turn Around Time

Stat: 1 Hour, Routine: 4 Hours

Stat Availability

Yes

Performing Bench

CRMC Chemistry

Methodology/Method Description

Atellica

Methodology/Method Description

Atellica CH Analyzer

CPT Codes

83002