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Test Name:
Sulfate-3-Glucuronyl Paragloboside (SGPG) IgM Antibody
- SBMF No:
44649 - Performance Lab Name:
ARUP Laboratories - Test Mnemonic:
SGPG - ABN:
Required – Not FDA-Approved - CPT Code:
83516 - Ref Lab Test No:
0051284 - Also Known As:
SGPG IgM Antibody - Also See:
45775 Myelin Associated Glycoprotein (MAG) and Sulfate-3-Glucuronyl Paragloboside (SGPG) IgM Antibodies - Spec Type:
Serum - Spec Container:
Gold top (SST) or red top (serum) tube - Pref Vol:
1.0 mL - Min Vol:
0.1 mL - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Clot 30 minutes
Promptly centrifuge 15 minutes
Immediately transfer serum to separate plastic tube - Spec Store Transport:
Refrigerated - Spec Stability:
After separation from cells:
48 hours room temperature (20-30°C)
2 weeks refrigerated (2-8°C)
1 year frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Heat inactivated, hemolyzed, severely lipemic, icteric, or contaminated sample
Plasma or urine sample - Spec Remarks:
Separate serum from cells ASAP - Methodology:
Semi-Quantitative Enzyme-Linked Immunosorbent Assay (ELISA) - Clinical Significance:
Refer to:
- Reference Range:
Less than 1.00 IV
Interpretive Data:
The majority of SGPG IgM positive sera will show reactivity against MAG. Patients that are SGPG IgM positive and MAG IgM negative may have multi-focal motor neuropathy with conduction block. - Additional Test Info:
This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. - Day Run:
Wed - Time Reported:
2-9 days - Test Type:
IMMUNOLOGY
