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Test Directory

Gonadotropin Releasing Hormone

Test Summary

Gn RH determination is useful in the assessment of reproductive disorders, to determine the concentration of Gn RH following stimulation to induce ovulation, in the diagnosis of hypopituitary hypogonadism (secondary hypogonadism)

Aliases

  • LH RH (luteinizing hormone releasing hormone), Gn-RH

Specimen Collection

Special Instructions

N/A

Preferred Specimen

3 mL plasma collected in a lavender top tube (EDTA)

Minimum Volume

0.7 mL

Instructions

N/A

Patient Preparation

Patient should not be on any hormonal treatment for 2 days

Storage

Plastic screw-cap vial

Transport Temperature

Frozen

Specimen Stability

  • Room temperature: Unacceptable
  • Refrigerated: 6 hours
  • Frozen: 90 days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Gross hemolysis • Serum

Order Code

GRH

EPIC (Premier) Code

LAB5628

Includes

N/A

CPT Code

  • 83520

Billing Code

  • 700000

CPT Statement

Methodology

Enzyme Linked Immunosorbent Assay (ELISA) • Extraction

FDA Status

This test was developed and its analytical performance characteristics have been determined by Pan Laboratories, Irvine, CA. This assay has been validated pursuant to the CLIA regulations. It has not been cleared or approved by the U.S. Food and Drug Administration.

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Pan Laboratories, LLC
15375 Barranca Pkw
E101
Irvine CA, 92618

Reference Range

<10.0 pg/mL

Setup Schedule / Expected Turnaround Time

Wednesday, Friday; Report available: 1 day

Specimen Collection

Special Instructions

N/A

Preferred Specimen

3 mL plasma collected in a lavender top tube (EDTA)

Minimum Volume

0.7 mL

Instructions

N/A

Patient Preparation

Patient should not be on any hormonal treatment for 2 days

Storage

Plastic screw-cap vial

Transport Temperature

Frozen

Specimen Stability

  • Room temperature: Unacceptable
  • Refrigerated: 6 hours
  • Frozen: 90 days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Gross hemolysis • Serum

Billing

CPT Code

  • 83520

Billing Code

  • 700000

CPT Statement

Result Information

Methodology

Enzyme Linked Immunosorbent Assay (ELISA) • Extraction

Testing Laboratory

N/A

Reference Range

<10.0 pg/mL

Setup Schedule / Expected Turnaround Time

Wednesday, Friday; Report available: 1 day