Category
SEROLOGY/ IMMUNOLOGY
Sub Category
INFECTIOUS.
Synonyms/Aliases
H. PYLORI, IgG.
Abbreviations
N/A
Type
INDIVIDUAL TEST.
3 DAYS
3 WORKING DAYS
Method
IMMUNOASSAY.
Temp
AMBIENT (24 HOURS), REFRIGERATED (7 DAYS), FROZEN (14 DAYS).
Setup
BATCHED.
Components Parameters
N/A
PRE-ANALYTIC CONSIDERATIONS
Test Ordering Instructions
FILL OUT TEST REQUEST FORM FULLY & LEGIBLY. CONSIDER STOOL H. PYLORI ANTIGEN TESTING AS AN ALTERNATIVE TEST.
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
NEGATIVE.
Clinical Utility
EVALUATE EXPOSURE TO H. PYLORI INFECTION. ANTIGEN TESTING IS PREFERRED.
Test Limitations/ Confounders
CANNOT DISTINGUISH BETWEEN PAST & RECENT INFECTION OR ASSESS TREATMENT RESPONSE.