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Test Code Billings Clinic: 8120 Esoterix: 500214 Growth Hormone Antibodies, Serum

Performing Laboratory

Endocrine Sciences Laboratories

Useful For

  • hGH Antibody testing is useful in assessing patients who fail to respond to hGH replacement therapy.
  • Approximately 5% of patients, who are hGH deficient receiving hGH replacement, will develop neutralizing antibodies.

Methodology

Radioimmunoprecipitation

Specimen Requirements

  • Draw blood in a plain, red-top tube or red-gel tube.
  • Spin down immediately, separate serum from cells within 1 hour of draw
  • Send 1 mL of serum frozen in plastic vial.

Reference Values

Reference values are included with patient’s report.

Day(s) Test Set Up

Tuesday

Test Classification and CPT Coding

86277 - Growth hormone, human (HGH), antibody