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HelpGlucose, Plasma (Fasting and Random)
Additional Codes
Epic# -
LAB82
Cerner name(s):
- Glucose, Fasting
- Glucose Fast
- Glucose Level
- Glucose
Performing Lab(s)
Memorial-Belleville & Memorial-Shiloh
Specimen Requirement (s)
Specimen Type: plasma (preferred) or serum
Container/Tube: Mint green LiHep tube (preferred) or plain red top
Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL
Collection Instructions: NA
Unacceptable Conditions
Avoid hemolysis.
Day(s)/Shift(s) Test Set Up and Turnaround Time
Sunday through Saturday
Hours: 24 hours
Turnaround Time:
STAT: 60 minutes
Routine: less than 8 hours from receipt.
Transport and Stability
Transport temperature: Ambient to lab
Reference Values
Fasting
|
Age |
Reference Values |
Critical Low |
Critical High |
|
0 – 3 days |
50-99 mg/dL |
≤ 44 mg/dL |
≥ 450 mg/dL |
|
> 3 days - 150 years |
70 – 99 mg/dL |
< 54 mg/dL |
≥ 450 mg/dL |
Random
|
Age |
Reference Values |
Critical Low |
Critical High |
|
0 – 3 days |
50 – 110 mg/dL |
≤ 44 mg/dL |
≥ 450mg/dL |
|
> 3 days- 150 years |
70 – 199 mg/dL |
≤ 54 mg/dL |
≥ 450 mg/dL |
CPT/LOINC Codes
82947
Interpretive data
Either a fasting plasma glucose >126 mg/dL or a random glucose >200 mg/dL plus symptoms is diagnostic for diabetes when confirmed on another day. Fasting values >100 mg/dL but <126 mg/dL are diagnostic for impaired fasting glucose.
Literature Reference: Diabetes Care 2016; 39, Supplement 1: 513-52