Category
SEROLOGY/ IMMUNOLOGY
Sub Category
INFECTIOUS
Synonyms/Aliases
TORCH IGM
Abbreviations
CMV IgM
Type
INDIVIDUAL TEST.
24-48 HRS
24-48 HRS
Method
AUTOMATED IMMUNOASSAY.
Temp
AMBIENT (8 HOURS), REFRIGERATED (7 DAYS), FROZEN (30 DAYS).
Setup
ALL WORKING DAYS.
Components Parameters
N/A
PRE-ANALYTIC CONSIDERATIONS
Test Ordering Instructions
FILL OUT TEST REQUEST FORM FULLY & LEGIBLY. SPECIFY EXACT ANTIBODY TYPE REQUIRED E.G.CMV IgM RATHER THAN CMV SEROLOGY.
Patient preparation
N/A
Sample type
SERUM.
Container/ preservative
SERUM SEPARATOR TUBE (SST/ GEL) OR PLAIN (RED TOP) VACUTAINER.
Sample volume
2ML
Rejection criteria
LABELING ISSUE (UNLABELED/ MISLABELED); MISSING REQUEST FORM; MISMATCH BETWEEN REQUEST FORM & SAMPLE DETAILS; MISSING AGE/ GENDER; WRONG SAMPLE TYPE; INSUFFICIENT SAMPLE; HEMOLYZED, LIPEMIC, ICTERIC SAMPLES.
Other Instructions
CENTRIFUGE SST (SERUM GEL TUBES) WITHIN 1-2 HOURS OF COLLECTION. CENTRIFUGE RED TOP VACUTAINERS AND ALIQUOT SERUM WITHIN 1-2 HOURS OF COLLECTION. THE SEPARATION VIAL MUST BE LABELED WITH AT LEAST 2 PATIENT IDENTIFIERS AND THE SAMPLE TYPE.
Reference intervals
APPROPRIATE VALUES PROVIDED WITH REPORT.
Clinical Utility
A POSITIVE RESULT IS CONSISTENT WITH CURRENT/ RECENT INFECTION WITH CYTOMEGALOVIRUS (CMV). IgM IS THE FIRST ANTIBODY PRODUCED BY THE IMMUNE SYSTEM IN RESPONSE TO INFECTION.
Test Limitations/ Confounders
N/A