Category

SEROLOGY/ IMMUNOLOGY

Sub Category

INFECTIOUS.

Synonyms/Aliases

TOXO IgM.

Abbreviations

N/A.

Type

INDIVIDUAL TEST.

4 DAYS

4 WORKING DAYS.

Method

IMMUNOASSAY.

Temp

AMBIENT (24 HOURS), REFRIGERATED (3 DAYS), FROZEN (14 DAYS).

Setup

BATCHED.

Components Parameters

N/A.

PRE-ANALYTIC CONSIDERATIONS

Test Ordering Instructions

FILL OUT TEST REQUEST FORM FULLY & LEGIBLY. SPECIFY EXACT ANTIBODY TYPE REQUIRED E.G. TOXO IgM RATHER THAN TOXO SEROLOGY.

Patient preparation

N/A.

Sample type

SERUM.

Container/ preservative

SERUM SEPARATOR TUBE (SST/ GEL) OR PLAIN (RED TOP) VACUTAINER.

Sample volume

2 ML.

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 TOXOPLASMA GONDII. IgM IS THE FIRST ANTIBODY PRODUCED BY THE IMMUNE SYSTEM IN RESPONSE TO INFECTION.

Test Limitations/ Confounders

N/A.