Torch IgM Antibodies




Test Mnemonic

TORIGM

CPT Codes

  • 86762 - QTY (1)
  • 86778 - QTY (1)
  • 86645 - QTY (1)

Aliases

  • Cytomegalovirus (CMV) Antibody, IgM
  • Rubella Antibody, IgM
  • Toxoplasma gondii Antibody, IgM

Includes

  • CMV IgM
  • Toxoplasma IgM
  • Rubella IgM

Performing Laboratory

ARUP


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLSerumSST (Gold) RefrigeratedMultiple specimen tubes must be collected for this panel. This tube is for tests: CMV, IgM (CMVMAB) and Toxoplasmosis IgM (TOXMAB).
1 mLSerumSST (Gold) RefrigeratedMultiple specimen tubes must be collected for this panel. This tube is for test: Rubella IgM Antibody (RUBIGM). Separate from cells ASAP or within 2 hours of collection and transfer serum to standard aliquot tube.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1.5 mL    The aliquot for CMV, IgM (CMVMAB) and Toxoplasmosis IgM (TOXMAB) must have a minimum volume of 1.0 mL. The aliquot for Rubella IgM Antibody (RUBIGM) must have a minimum volume of 0.5 mL.

Stability

Environmental Condition Description
RefrigeratedAfter separation from cells: 1 week
FrozenAfter separation from cells: 2 weeks (Avoid repeated freeze/thaw cycles)
AmbientAfter separation from cells: 24 hours

Days Performed

Sun - Sat

Turnaround Time

Refer to individual components

Methodology

Name Description
Chemiluminescence Immunoassay (CLIA) 

Reference Range

CMV, IgM
Sex Age From Age To Type Range Range Unit
       NormalRefer to report 
Rubella IgM
Sex Age From Age To Type Range Range Unit
       19.9 AU/mL or less: Not Detected 
       20.0 - 24.9 AU/mL: Indeterminate - Repeat testing in 10-14 days may be helpful 
       25.0 AU/mL or greater: Detected - IgM antibody to rubella detected, which may indicate a current or recent infection or immunization 
Toxoplasmosis, IgM Antibody
Sex Age From Age To Type Range Range Unit
       NormalRefer to report 

Special Info

Performing Labs: Immunopathology (x49026), Client Services (x45755) - Vendor ARUP Refer to individual tests CMV, IgM (CMVMAB), Toxoplasmosis IgM (TOXMAB), and Rubella IgM Antibody (RUBIGM).