Test Details
Mnemonic
TYPGM
Ordering Code
3721500
CPT-4 Code(s)
86757 x 2
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum in a screw capped plastic vial.
Minimum Volume
0.4 mL
Transport Temperature
Refrigerated
Rejection Criteria
Contaminated, hemolyzed, or severely lipemic specimens.
Stability
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 1 year
Refrigerated: 14 days
Frozen: 1 year
Methodology
Semi-quantitative Indirect Fluorescent Antibody
Reference Range
IgG: Less than 1:64: Negative - No significant level
of IgG antibody detected.
1:64 - 1:128: Equivocal - Questionable presence
of IgG antibody detected. Repeat testing in
10-14 days may be helpful.
1-256 or greater: Positive - Presence of IgG antibody
detected, suggestive of current or past infection.
IgM: Less than 1:64: Negative - No significant level
of IgM antibody detected.
1:64 or greater: Positive - Presence of IgM antibody
detected, which may indicate a current or recent
infection; however, low levels of IgM antibodies
may occasionally persist for more than 12 months
post-infection.
of IgG antibody detected.
1:64 - 1:128: Equivocal - Questionable presence
of IgG antibody detected. Repeat testing in
10-14 days may be helpful.
1-256 or greater: Positive - Presence of IgG antibody
detected, suggestive of current or past infection.
IgM: Less than 1:64: Negative - No significant level
of IgM antibody detected.
1:64 or greater: Positive - Presence of IgM antibody
detected, which may indicate a current or recent
infection; however, low levels of IgM antibodies
may occasionally persist for more than 12 months
post-infection.
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes