Category
Routine Cemistry
Sub Category
Endocrine
Synonym/Aliases
O'sullivan Test
Abbreviations
N/A
Type
profile/ panel (bundled tests)
Results
RESULTS READY WITHIN 4 HOURS
Method
SPECTROPHOTOMETRIC ENZYMATIC
Temp
KEPT AT ROOM TEMPERATURE REFRIGIRATED
Setup
DAILY
Components Parameters
0 hours (baseline), 1 hour post load glucose tests.
PRE-ANALYTIC CONSIDERATIONS
Test Ordering Instructions
FILL OUT TEST REQUEST FORM FULLY & LEGIBLY. FOR PREGNANT WOMEN ONLY
Patient preparation
NOT APPLICABLE. FASTING IS NOT A REQUIREMENT FOR THIS TEST.
Sample type
FLUORIDE/ OXALATE PLASMA. MULTI-SAMPLING IS REQUIRED I.E. BASELINE (PRE-LOAD) SAMPLE; THEN 1 HOUR POST LOAD SAMPLES. SAMPLE LABELS MUST INCLUDE COLLECTION SEQUENCE E.G. 0 (BASELINE), 1HR SAMPLE
Container/ preservative
FLUORIDE/ OXALATE (GREY TOP) VACUTAINER
Sample volume
AT LEAST 1ML FLUORIDE/ OXALATE PLASMA EACH
Rejection criteria
LABELING ISSUE (UNLABELED/ MISLABELED); MISSING REQUEST FORM; MISMATCH BETWEEN REQUEST FORM & SAMPLE DETAILS; MISSING AGE/ GENDER; WRONG SAMPLE TYPE; INSUFFICIENT SAMPLE; GROSS HEMOLYSIS; GROSS LIPEMIA.
Other Instructions
URINE SAMPLES FOR URINE GLUCOSE TESTING ARE NOT ROUTINELY COLLECTED.
Reference intervals
AS PER THE LATEST AMERICAN DIABETIC ASSOCIATION CONSENSUS GUIDELINES.
Clinical Utility
TO SCREEN FOR GESTATIONAL DIABETES.
Test Limitations / Confounders
-N/A