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Test Code GBM Glomerular Basement Membrane Antibodies, IgG, Serum

Additional Codes

CNE Order Code: Anti GBM

Reporting Name

Glomerular Basement Membrane IgG Ab

Useful For

Evaluating patients with clinical features of anti-glomerular basement disease, including rapidly progressive glomerulonephritis or pulmonary hemorrhage

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Ordering 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.


Specimen Minimum Volume

0.35 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 21 days
  Frozen  21 days

Reference Values

<1.0 U (negative)

≥1.0 U (positive)

Reference values apply to all ages.

Day(s) Performed

Monday through Friday

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

Interpretation

A positive result for anti-glomerular basement (GBM) antibody is consistent with the diagnosis of anti-GBM disease, in patients with the appropriate clinical presentation.

Report Available

2 to 3 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK

Method Name

Multiplex Flow Immunoassay

Forms

If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.