Ordering Recommendations

This assay is suitable for use in adult and pediatric patients to assess general endocrine function.

Available Stat

No

Performing Lab

China Basin Chemistry

Performed

Thursday, Sunday (day shift)

Methodology

Chemiluminescent Microparticle Immunoassay (Abbott Architect i2000)

Reported

1-5 days

Additional Information

Method changed from Siemens Centaur XP platform to Abbott Architect i2000 platform on 11/27/17. The Abbott Architect method reads approximately 19% lower than the Centaur method.  Please note that the reference ranges have changed.

The Abbott assay standardization is traceable to the World Health Organization (WHO) LH 2nd International Standard, (80/552).

Synonyms

  • LH
  • gonadotropin tests
  • Leuteinizing hormone

Sample Type

Serum

Collect

Gold or Red top

Amount to Collect

1 mL blood

Preferred Volume

0.3 mL serum

Minimum Volume

0.15 mL serum

Stability (from collection to initiation)

Refrigerated (2-8°C):  7 days
Frozen (-10°C or colder): 12 months

If testing will be delayed more than 24 hours, remove serum from clot, red blood cells, or serum separator gel.

Avoid multiple freeze-thaw cycles.

Test Code

LH

Test Group

LH

Performing Lab

China Basin Chemistry

Specimen Preparation

Aliquot and freeze serum at -20C.

Preferred Volume

0.3 mL serum

Minimum Volume

0.15 mL serum

Stability (from collection to initiation)

Refrigerated (2-8°C):  7 days
Frozen (-10°C or colder): 12 months

If testing will be delayed more than 24 hours, remove serum from clot, red blood cells, or serum separator gel.

Avoid multiple freeze-thaw cycles.

Units

IU/L

Reference Interval

Pediatric (< 18 years old):
Age IU/L (Male and Female
< 12 months 0.02 - 7.0
12 months - 8 years 0.02 - 0.3
 
Age Male (IU/L) Female (IU/L)
Early puberty 0.2 - 5.0 0.02 - 12.0
Late puberty 0.4 - 7.0 0.4 - 11.7
 
Tanner Stage Age (years) Male range (IU/L)
1 < 9.8 0.02 - 0.3
2 9.8 – 14.5 0.2 – 4.9
3 10.7 – 15.4 0.2 – 5.0
4-5 11.8 – 17.3 0.4 – 7.0
 
Tanner Stage Age (years) Female range (IU/L)
1 < 9.2 0.02 - 0.18
2 9.2 – 13.7 0.02 – 4.7
3 10.0 – 14.4 0.1 – 12.0
4-5 10.7 – 18.6 0.4 – 11.7
        
Pediatric references intervals adopted from Esoterix Laboratory Services and verified by running 31 female and 16 male pediatric samples on both the Esoterix assay and the in-house Abbott Architect LH assay.

Adult males (>= 18 years):  0.6 - 12.1 IU/L

Adult females (>= 18 years):
 
Follicular Phase 1.8 - 11.8 IU/L
Mid-cycle Peak  7.6 - 89.1 IU/L
Luteal Phase 0.6 - 14.0 IU/L
Post-menopausal 5.2 - 62.0 IU/L

Reference intervals adopted from Abbott (vendor) based on in-house verification study of 23 male (>18 years old) normal volunteers in the UCSF Laboratory and 20 split female sample comparisons with ARUP.

Additional Information

Method changed from Siemens Centaur XP platform to Abbott Architect i2000 platform on 11/27/17. The Abbott Architect method reads approximately 19% lower than the Centaur method.  Please note that the reference ranges have changed.

The Abbott assay standardization is traceable to the World Health Organization (WHO) LH 2nd International Standard, (80/552).

CPT Codes

83002

LOINC Codes

10501-5

Available Stat

No

Ordering Recommendations

This assay is suitable for use in adult and pediatric patients to assess general endocrine function.

Test Code

LH

Test Group

LH

Performing Lab

China Basin Chemistry

Performed

Thursday, Sunday (day shift)

Methodology

Chemiluminescent Microparticle Immunoassay (Abbott Architect i2000)

Collect

Gold or Red top

Amount to Collect

1 mL blood

Sample Type

Serum

Preferred Volume

0.3 mL serum

Minimum Volume

0.15 mL serum

Specimen Preparation

Aliquot and freeze serum at -20C.

Units

IU/L

Reference Interval

Pediatric (< 18 years old):
Age IU/L (Male and Female
< 12 months 0.02 - 7.0
12 months - 8 years 0.02 - 0.3
 
Age Male (IU/L) Female (IU/L)
Early puberty 0.2 - 5.0 0.02 - 12.0
Late puberty 0.4 - 7.0 0.4 - 11.7
 
Tanner Stage Age (years) Male range (IU/L)
1 < 9.8 0.02 - 0.3
2 9.8 – 14.5 0.2 – 4.9
3 10.7 – 15.4 0.2 – 5.0
4-5 11.8 – 17.3 0.4 – 7.0
 
Tanner Stage Age (years) Female range (IU/L)
1 < 9.2 0.02 - 0.18
2 9.2 – 13.7 0.02 – 4.7
3 10.0 – 14.4 0.1 – 12.0
4-5 10.7 – 18.6 0.4 – 11.7
        
Pediatric references intervals adopted from Esoterix Laboratory Services and verified by running 31 female and 16 male pediatric samples on both the Esoterix assay and the in-house Abbott Architect LH assay.

Adult males (>= 18 years):  0.6 - 12.1 IU/L

Adult females (>= 18 years):
 
Follicular Phase 1.8 - 11.8 IU/L
Mid-cycle Peak  7.6 - 89.1 IU/L
Luteal Phase 0.6 - 14.0 IU/L
Post-menopausal 5.2 - 62.0 IU/L

Reference intervals adopted from Abbott (vendor) based on in-house verification study of 23 male (>18 years old) normal volunteers in the UCSF Laboratory and 20 split female sample comparisons with ARUP.

Synonyms

  • LH
  • gonadotropin tests
  • Leuteinizing hormone

Stability (from collection to initiation)

Refrigerated (2-8°C):  7 days
Frozen (-10°C or colder): 12 months

If testing will be delayed more than 24 hours, remove serum from clot, red blood cells, or serum separator gel.

Avoid multiple freeze-thaw cycles.

Reported

1-5 days

Additional Information

Method changed from Siemens Centaur XP platform to Abbott Architect i2000 platform on 11/27/17. The Abbott Architect method reads approximately 19% lower than the Centaur method.  Please note that the reference ranges have changed.

The Abbott assay standardization is traceable to the World Health Organization (WHO) LH 2nd International Standard, (80/552).

CPT Codes

83002

LOINC Codes

10501-5
Ordering

Ordering Recommendations

This assay is suitable for use in adult and pediatric patients to assess general endocrine function.

Available Stat

No

Performing Lab

China Basin Chemistry

Performed

Thursday, Sunday (day shift)

Methodology

Chemiluminescent Microparticle Immunoassay (Abbott Architect i2000)

Reported

1-5 days

Additional Information

Method changed from Siemens Centaur XP platform to Abbott Architect i2000 platform on 11/27/17. The Abbott Architect method reads approximately 19% lower than the Centaur method.  Please note that the reference ranges have changed.

The Abbott assay standardization is traceable to the World Health Organization (WHO) LH 2nd International Standard, (80/552).

Synonyms

  • LH
  • gonadotropin tests
  • Leuteinizing hormone
Collection

Sample Type

Serum

Collect

Gold or Red top

Amount to Collect

1 mL blood

Preferred Volume

0.3 mL serum

Minimum Volume

0.15 mL serum

Stability (from collection to initiation)

Refrigerated (2-8°C):  7 days
Frozen (-10°C or colder): 12 months

If testing will be delayed more than 24 hours, remove serum from clot, red blood cells, or serum separator gel.

Avoid multiple freeze-thaw cycles.
Processing

Test Code

LH

Test Group

LH

Performing Lab

China Basin Chemistry

Specimen Preparation

Aliquot and freeze serum at -20C.

Preferred Volume

0.3 mL serum

Minimum Volume

0.15 mL serum

Stability (from collection to initiation)

Refrigerated (2-8°C):  7 days
Frozen (-10°C or colder): 12 months

If testing will be delayed more than 24 hours, remove serum from clot, red blood cells, or serum separator gel.

Avoid multiple freeze-thaw cycles.
Result Interpretation

Units

IU/L

Reference Interval

Pediatric (< 18 years old):
Age IU/L (Male and Female
< 12 months 0.02 - 7.0
12 months - 8 years 0.02 - 0.3
 
Age Male (IU/L) Female (IU/L)
Early puberty 0.2 - 5.0 0.02 - 12.0
Late puberty 0.4 - 7.0 0.4 - 11.7
 
Tanner Stage Age (years) Male range (IU/L)
1 < 9.8 0.02 - 0.3
2 9.8 – 14.5 0.2 – 4.9
3 10.7 – 15.4 0.2 – 5.0
4-5 11.8 – 17.3 0.4 – 7.0
 
Tanner Stage Age (years) Female range (IU/L)
1 < 9.2 0.02 - 0.18
2 9.2 – 13.7 0.02 – 4.7
3 10.0 – 14.4 0.1 – 12.0
4-5 10.7 – 18.6 0.4 – 11.7
        
Pediatric references intervals adopted from Esoterix Laboratory Services and verified by running 31 female and 16 male pediatric samples on both the Esoterix assay and the in-house Abbott Architect LH assay.

Adult males (>= 18 years):  0.6 - 12.1 IU/L

Adult females (>= 18 years):
 
Follicular Phase 1.8 - 11.8 IU/L
Mid-cycle Peak  7.6 - 89.1 IU/L
Luteal Phase 0.6 - 14.0 IU/L
Post-menopausal 5.2 - 62.0 IU/L

Reference intervals adopted from Abbott (vendor) based on in-house verification study of 23 male (>18 years old) normal volunteers in the UCSF Laboratory and 20 split female sample comparisons with ARUP.

Additional Information

Method changed from Siemens Centaur XP platform to Abbott Architect i2000 platform on 11/27/17. The Abbott Architect method reads approximately 19% lower than the Centaur method.  Please note that the reference ranges have changed.

The Abbott assay standardization is traceable to the World Health Organization (WHO) LH 2nd International Standard, (80/552).
Administrative

CPT Codes

83002

LOINC Codes

10501-5
Complete View

Available Stat

No

Ordering Recommendations

This assay is suitable for use in adult and pediatric patients to assess general endocrine function.

Test Code

LH

Test Group

LH

Performing Lab

China Basin Chemistry

Performed

Thursday, Sunday (day shift)

Methodology

Chemiluminescent Microparticle Immunoassay (Abbott Architect i2000)

Collect

Gold or Red top

Amount to Collect

1 mL blood

Sample Type

Serum

Preferred Volume

0.3 mL serum

Minimum Volume

0.15 mL serum

Specimen Preparation

Aliquot and freeze serum at -20C.

Units

IU/L

Reference Interval

Pediatric (< 18 years old):
Age IU/L (Male and Female
< 12 months 0.02 - 7.0
12 months - 8 years 0.02 - 0.3
 
Age Male (IU/L) Female (IU/L)
Early puberty 0.2 - 5.0 0.02 - 12.0
Late puberty 0.4 - 7.0 0.4 - 11.7
 
Tanner Stage Age (years) Male range (IU/L)
1 < 9.8 0.02 - 0.3
2 9.8 – 14.5 0.2 – 4.9
3 10.7 – 15.4 0.2 – 5.0
4-5 11.8 – 17.3 0.4 – 7.0
 
Tanner Stage Age (years) Female range (IU/L)
1 < 9.2 0.02 - 0.18
2 9.2 – 13.7 0.02 – 4.7
3 10.0 – 14.4 0.1 – 12.0
4-5 10.7 – 18.6 0.4 – 11.7
        
Pediatric references intervals adopted from Esoterix Laboratory Services and verified by running 31 female and 16 male pediatric samples on both the Esoterix assay and the in-house Abbott Architect LH assay.

Adult males (>= 18 years):  0.6 - 12.1 IU/L

Adult females (>= 18 years):
 
Follicular Phase 1.8 - 11.8 IU/L
Mid-cycle Peak  7.6 - 89.1 IU/L
Luteal Phase 0.6 - 14.0 IU/L
Post-menopausal 5.2 - 62.0 IU/L

Reference intervals adopted from Abbott (vendor) based on in-house verification study of 23 male (>18 years old) normal volunteers in the UCSF Laboratory and 20 split female sample comparisons with ARUP.

Synonyms

  • LH
  • gonadotropin tests
  • Leuteinizing hormone

Stability (from collection to initiation)

Refrigerated (2-8°C):  7 days
Frozen (-10°C or colder): 12 months

If testing will be delayed more than 24 hours, remove serum from clot, red blood cells, or serum separator gel.

Avoid multiple freeze-thaw cycles.

Reported

1-5 days

Additional Information

Method changed from Siemens Centaur XP platform to Abbott Architect i2000 platform on 11/27/17. The Abbott Architect method reads approximately 19% lower than the Centaur method.  Please note that the reference ranges have changed.

The Abbott assay standardization is traceable to the World Health Organization (WHO) LH 2nd International Standard, (80/552).

CPT Codes

83002

LOINC Codes

10501-5

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