Laboratory Services

Glomerular Basement Membrane Antibody

Name: Incyte Diagnostics
Address: 13103 E Mansfield Ave, Spokane Valley, Washington, 99216, USA
Telephone: +1-509-892-2700

Test Description	Glomerular Basement Membrane Antibody
Synonym(s)	GBM, ANCA, Antineutrophil cytoplasmic autoantibodies, Goodpasture Syndrome
Test ID	GBM
General Information	Glomerular Basement Membrane (GBM) antibodies are useful in the diagnosis and disease management of patients with primary systemic small vessel vasculitides. The presence of GBM is required for the diagnosis of Goodpasture syndrome and anti-GBM-disease. Assay results should be used in conjunction with clinical findings and other serological tests.
Specimen Type	Serum
Alternate Specimen Type	Plasma (Li-Heparin, EDTA, or Citrate)
Specimen Requirements	Tiger
Minimum Sample Volume	1 mL
Pediatric Min. Volume (if applicable)	500 uL
Additional Processing Details	Caution: Serum/plasma samples are not to be repeatedly frozen and thawed, since this can cause analyte deterioration. They are to be thawed only once.
Stability	Stored at 22˚C: 8 hrs Stored at 2-8˚C: 48 hrs If assays are not completed within 48 hrs or the specimen is to be stored beyond 48 hrs, the serum/plasma should be frozen at or below -20˚C.
Unacceptable Specimen Conditions	Lipemic, hemolyzed or microbially contaminated samples.
Methodology	Fluorescent enzyme immunoassay (FEIA)
Estimated TAT	2-5 days
Testing Schedule	Monday-Saturday, alternating days
CPT Code(s)	86036
Reference Range	Negative < 7 U/mL Equivocal 7-10 U/mL Positive > 10 U/mL
Performing Lab	Incyte Diagnostics
LOINC Code(s)	49774-3