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HelpTest Code LAB727 Glomerular Basement Membrane Antibodies, IgG, Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Glomerular Basement Membrane IgG AbSpecimen Type
SerumOrdering Guidance
If patient is being evaluated for autoimmune skin disease, order CIFS / Cutaneous Immunofluorescence Antibodies (IgG), Serum for evaluation of anti-intercellular substance (ICS) and antibasement membrane zone (BMZ) antibodies.
Specimen Required
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | OK |
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 21 days | |
| Frozen | 21 days |
Specimen Minimum Volume
0.35 mL
Day(s) Performed
Monday through Friday
Specimen Retention Time
14 daysReport Available
2 to 3 daysReference Values
<1.0 U (negative)
≥1.0 U (positive)
Reference values apply to all ages.
Useful For
Evaluating patients with clinical features of anti-glomerular basement disease, including rapidly progressive glomerulonephritis or pulmonary hemorrhage
CPT Code Information
83516
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| GBM | Glomerular Basement Membrane IgG Ab | 31254-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| GBM | Glomerular Basement Membrane IgG Ab | 31254-6 |
Forms
If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.