Test Information:
IgM is the first immunoglobulin class produced during an initial immune response and antigen-IgM complexes actively fix complement. The presence of IgM is useful in assessing whether a particular infection is acute (IgM present) or chronic (IgG predominate class present). It is also used in detecting or monitoring IgM monoclonal gammopathies and IgM-related immune deficiencies.
Specimen Container:
Gold Top SST Tube (with clot activator) or Red Top Tube (Plain) – USE PLASTIC TUBE
Specimen Type:
Serum
Required Volume:
2 mL
Patient Preparation:
No Patient Preparation
Notes:
N/A (Not Applicable)
Storage & Stability
(Before Processing)
- Storage: 2 to 8°C
Stability: 4 months - Storage: 20 to 25°C
Stability: 2 months - Storage: – 15 to – 25°C
Stability: 6 months
FREEZE ONLY ONCE!
Transport Temperature:
Ref (2°C to 8°C)
Test Category:
Routine
Test Schedule:
Daily
Results Availability:
Within 4 hours