Glucose, plasma | KK Women's and Children's Hospital

Specimen Container

Sodium fluoride tube (Adult)

Fluoride heparin tube (Paeds)

Specimen Requirement

Collect blood to the mark in specimen tube.

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

For accurate plasma glucose results, it is advisable to send blood specimens on ice to the laboratory as soon as possible after blood collection. Specimens sent to the laboratory without ice are also acceptable.

Orderable as Urgent?

Yes

Turn Around Time

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

Reference Value(s)

Fasting Glucose:

Age	Reference Range (mmol/L)
	Female	Male
<1 year	2.6 - 4.5
≥1 years	3.9 - 6.0

Random Glucose:

Age	Reference Range (mmol/L)
	Female	Male
<1 year	*
≥1 years	3.9 - 11.0

*No reference interval available. Interpret with caution.

Testing Laboratory Location

KKH

Laboratory

Clinical Chemistry

Contact Number

6394 1383

Day and Time Performed

Daily, 24 hrs

Orderable on CPOE?

Yes

Downtime Form

Clinical Chemistry - Form A

Additional Information

Critical values:
<1st year: Low: <2.5 mmol/L and High: >16 mmol/L
>1st year: Low: <2.5 mmol/L and High: >20 mmol/L

Change History Notes

12 Jul 2024 12:00 PM

Updated Reference Value(s).
11 Oct 2021 02:10 PM

Updated specimen requirement.

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Last Updated - 28 May 2025