Category
SEROLOGY/ IMMUNOLOGY
Sub Category
AUTOIMMUNE.
Synonyms/Aliases
U1-snRNP, ANTIBODIES, IgG.
Abbreviations
U1-snRNP, IgG.
Type
INDIVIDUAL TEST.
7 DAYS
RESULTS READY IN 7 WORKING DAYS.
Method
IMMUNOASSAY.
Temp
AMBIENT (24 HOURS), REFRIGERATED (7 DAYS), FROZEN (21 DAYS).
Setup
BATCHED.
Components Parameters
N/A.
PRE-ANALYTIC CONSIDERATIONS
Test Ordering Instructions
FILL OUT TEST REQUEST FORM FULLY & LEGIBLY. PROVIDE ANA RESULTS IF AVAILABLE.
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
DIAGNOSIS OF MIXED CONNECTIVE TISSUE DISEASE (MCTD).
Test Limitations/ Confounders
MAY BE POSITIVE IN SOME CASES OF SCLERODERMA & SLE.