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Test Code GLUC Glucose, Plasma or Serum

Methodology

Hexokinase or Glucose Oxidase

Specimen Requirements

Submit only 1 of the following specimens:

 

Plasma
Draw blood in a grey-top (potassium oxalate/sodium fluoride) tube(s). Spin down and send 1 mL (pediatric:  0.2 mL) of potassium oxalate/sodium fluoride plasma.
Note:  Label specimen appropriately (plasma).

 

Serum
Draw blood in a serum gel tube(s). Spin down and send 1 mL (pediatric:  0.2 mL) of serum.
Note:  Label specimen appropriately (serum).

Specimen Stability Information

 

Specimen Type

Temperature

Time

Serum

RT, spun

8 hrs
 

Refrigerated,  spun

72 hrs

 Plasma, potassium oxalate/NaF

RT, spun

24 hrs
 

Refrigerated, spun

72 hrs

 

Reference Values

 

Age

Male and Female (mg/dL)

0 days

40 – 60

1 day – 2 years

60 – 110 

>2 year

70 – 100

 

Reject Due To

 

Hemolysis

Mild:

ok

Gross:

ok

Lipemia

Mild:

ok

Gross:

ok

Icterus

Mild:

ok

Gross:

ok

 

Day(s) Test Set Up

Monday through Sunday

CPT Coding

82947

Performing Laboratory

Huntsville Hospital Laboratory/Madison Hospital Laboratory

LOINC Coding

Test Name LOINC Code

Glucose, Non-Fasting, Plasma or Serum

 2345-7

 

Critical Values

<40 mg/dL    and    >400 mg/dL

<1 month old:  <30 mg/dL   and    >300 mg/dL