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22842 Luteinizing Hormone (LH)

Luteinizing Hormone (LH)
Test Code: LH
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
No​ Serum​ Serum Separator Tube (SST) ​Red Top Tube (RTT)​ 0.5 mL​ 0.4 mL​ 0.3 mL​
Collection Processing Instructions
Samples collected in a RTT must be removed from clot within one hour for storage or transport. Samples collected in gel barrier tubes must be removed from the primary tube prior to transporting to Marshfield. Do not send the primary collection tube.​
Specimen Stability Information
Specimen Type Temperature Time
Serum​ ​ Ambient​ 8 hours​
Refrigerated​ 7 days​
Frozen​ >7 days​
Interference
Human Anti-Murine Antibodies (HAMA) may develop leading to test interference in patients receiving murine-based agents for chemotherapy or tumor-imaging studies. Fluorescein will interfere; specimens should not be drawn for 48 hours following fluorescein angiography for diabetic retinopathy.​
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​
 Less than 2 hours​
 Two-step Sandwich Immunoassay using Direct Chemiluminometric Technology/Siemens Centaur ​
Reference Range Information
Performing Location Reference Range
Marshfield​
Female children:                   <0.2-6.0 IU/L
Adult Female
              Follicular:                1.9-12.5 IU/L
              Mid-cycle:                8.7-76.3 IU/L
              Luteal:                     0.5-16.9 IU/L
              Pregnant:                 <0.2-1.5 IU/L
              Postmenopausal:      15.9-54.0 IU/L
Male children:                        <0.2-6.0 IU/L
Adult Male       
               20-70 years:             1.5-9.3 IU/L
               >70 years:                3.1-34.6 IU/L
Pediatric reference range source: Clin. Biochem., 1995;28:181-5​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
83002 ​ ​ ​ ​ ​
Ordering Applications
Ordering Application Description
​Centricity ​Luteinizing Hormone
​Cerner ​Luteinizing Hormone
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
No​ Serum​ Serum Separator Tube (SST) ​Red Top Tube (RTT)​ 0.5 mL​ 0.4 mL​ 0.3 mL​
Collection Processing
Samples collected in a RTT must be removed from clot within one hour for storage or transport. Samples collected in gel barrier tubes must be removed from the primary tube prior to transporting to Marshfield. Do not send the primary collection tube.​
Specimen Stability Information
Specimen Type Temperature Time
Serum​ ​ Ambient​ 8 hours​
Refrigerated​ 7 days​
Frozen​ >7 days​
Interference
Human Anti-Murine Antibodies (HAMA) may develop leading to test interference in patients receiving murine-based agents for chemotherapy or tumor-imaging studies. Fluorescein will interfere; specimens should not be drawn for 48 hours following fluorescein angiography for diabetic retinopathy.​
Reference Range Information
Performing Location Reference Range
Marshfield​
Female children:                   <0.2-6.0 IU/L
Adult Female
              Follicular:                1.9-12.5 IU/L
              Mid-cycle:                8.7-76.3 IU/L
              Luteal:                     0.5-16.9 IU/L
              Pregnant:                 <0.2-1.5 IU/L
              Postmenopausal:      15.9-54.0 IU/L
Male children:                        <0.2-6.0 IU/L
Adult Male       
               20-70 years:             1.5-9.3 IU/L
               >70 years:                3.1-34.6 IU/L
Pediatric reference range source: Clin. Biochem., 1995;28:181-5​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​
 Less than 2 hours​
 Two-step Sandwich Immunoassay using Direct Chemiluminometric Technology/Siemens Centaur ​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
83002 ​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.