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Magnesium

Test Code:

BC0220

Synonym(s):

Specimen Container

Gel separator tube (Adult)
Microtube (Paeds)

Specimen Requirement

Plain Blood
Adult: 5 mL
Paediatric: 1.3 mL


Invert blood 5 times after blood collection ensures the anticoagulant is well mixed with the blood. This will ensure results are reliable.

Specimen Storage / Transport

Method

 

Orderable as STAT?

Yes

Turn Around Time

Stat: Average 45 mins (30 mins - 1 hr)
Routine: Average 2 hrs (1 - 3 hrs)

Reference Value(s)

< 15th day: 0.82-1.62 mmol/L
15th day - 11th month: 0.81-1.27 mmol/L
1st year - 18th year: 0.86-1.17 mmol/L
> 18th year: 0.66-1.07 mmol/L

Testing Laboratory Location

KKH

Laboratory

Clinical Chemistry

Contact Number

6394 1383

Day and Time Performed

Daily, 24 hrs

Orderable on CPOE?

Yes

Additional Information

Critical values: Low: < 0.5 mmol/L and High: > 2.0 mmol/L
For patients under magnesium therapy Low: < 0.5 mmol/L and High: > 4.0 mmol/L

Change History Notes

Others

Keywords

Magnesium BC0220
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