Category
Routine Chemistry
Sub Category
ELECTROLYTES
Synonym/Aliases
N/A
Abbreviations
MG
Type
INDIVIDUAL TEST
Results
RESULTS READY WITHIN 2-3 HOURS
Method
SPECTROPHOTOMETRIC.
Temp
SAMPLE KEPT AT ROOM TEMPERATURE 6 HOURS; 2-8ºC 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.
Patient preparation
NOT APPLICABLE
Sample type
SERUM
Container/ preservative
SERUM SEPARATOR TUBE (SST/ GEL) OR PLAIN (RED TOP) VACUTAINER
Sample volume
AT LEAST 3 ML
Rejection criteria
LABELING ISSUE (UNLABELED/ MISLABELED); MISSING REQUEST FORM; MISMATCH BETWEEN REQUEST FORM & SAMPLE DETAILS; MISSING AGE/ GENDER; WRONG SAMPLE TYPE (EDTA PLASMA WILL BE REJECTED); INSUFFICIENT SAMPLE; GROSS LIPEMIA; GROSS HEMOLYSIS.
Other Instructions
SERUM GEL TUBES SHOULD BE CENTRIFUGED WITHIN 1-2 HOURS OF COLLECTION.
RED-TOP TUBES SHOULD BE CENTRIFUGED AND ALIQUOTED WITHIN 1-2 HOURS OF COLLECTION.
Reference intervals
AGE AND GENDER APPROPRIATE VALUES PROVIDED WITH REPORT
Clinical Utility
EVALUATION OF SUSPECTED HYPOMAGNESEMIA, HYPERMAGNESEMIA.
Test Limitations / Confounders
- N/A