VARICELLA ZOSTER AB IGM TITER

LAB163

 

Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.1 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as "acute" or "convalescent."

Unacceptable Conditions

Contaminated, heat-inactivated, hemolyzed, icteric, or severely lipemic specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Performed

Mon-Fri

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-5 days

Synonyms

  • VZV Antibody, IgM
  • LAB163

Ordering Recommendations

Panel that combines varicella-zoster virus IgG and IgM antibodies is preferred (0050162).

Reference Interval

0.90 ISR or less: Negative - No significant level of detectable varicella-zoster virus IgM antibody.
0.91-1.09 ISR: Equivocal - Repeat testing in 10-14 days may be helpful.
1.10 ISR or greater: Positive - Significant level of detectable varicella-zoster virus IgM antibody. Indicative of current or recent infection.  However, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection or immunization.

CPT Codes

86787
Collection

LAB163

 

Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.1 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as "acute" or "convalescent."

Unacceptable Conditions

Contaminated, heat-inactivated, hemolyzed, icteric, or severely lipemic specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Ordering

Performed

Mon-Fri

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-5 days

Synonyms

  • VZV Antibody, IgM
  • LAB163

Ordering Recommendations

Panel that combines varicella-zoster virus IgG and IgM antibodies is preferred (0050162).
Result Interpretation

Reference Interval

0.90 ISR or less: Negative - No significant level of detectable varicella-zoster virus IgM antibody.
0.91-1.09 ISR: Equivocal - Repeat testing in 10-14 days may be helpful.
1.10 ISR or greater: Positive - Significant level of detectable varicella-zoster virus IgM antibody. Indicative of current or recent infection.  However, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection or immunization.
Administrative

CPT Codes

86787

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