Children's Mercy Hospitals and Clinics
Name
Varicella IgM, qualitative

CMH Lab Section
Immunology

Specimen Requirements
2 mL of blood in a red top w/ yellow ring gel tube

Availability
Routine

Turn Around Time
Batched testing, performed Tuesday and Thursday

Special Instructions
Equivocal or positive result will reflex to IFA confirmation test.

Methodology
ELISA

Ranges
Interpretation:
≤0.90 Negative
0.91 to 1.09 Equivocal
≥1.10 Positive

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