Category

SEROLOGY/ IMMUNOLOGY

Sub Category

INFECTIOUS

Synonyms/Aliases

TORCH IGG.

Abbreviations

CMV IgG

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 IgG 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

IgG POSITIVITY IS CONSISTENT WITH PAST EXPOSURE TO CMV INFECTION.

Test Limitations/ Confounders

SOME ADULTS ARE CARRIERS OF CMV VIRUS WHICH IS NORMAL.