Home
HelpTest Code 103 Glucose (Fasting)
Additional Codes
ALAB: GLUC
PowerChart: Glucose Fasting
MA Cerner: Glucose Level.
Test Method
MercyOne DBQ:
Timed Endpoint; Beckman DxC700AU
Mercy DV and MQMA:
Catalytic Oxidation Electrode; iSTAT
MA East and West:
Enzymatic Colorimetric Method; Roche Cobas 6000
Specimen Requirement
0.5 mL serum or plasma is required.
Additional Specimen Collection Information
Collect blood in a lithium heparin, green-top or red-top tube from a fasting patient. (12 hour fast is recommended.) PST and SST (gel tubes) are acceptable. Serum or plasma should be separated from contact with the cells within 2 hours of collection. Specimens not centrifuged within 4 hours of collection may be rejected. Refrigerate the specimen if unable to assay within 8 hours of collection. Hemolyzed specimens are not acceptable. Samples with ≥3+ lipemia must be cleared prior to analysis.
Performance
Testing is performed Monday through Sunday.
Routine orders: Typically completed within 4 hours after the specimen arrives at the testing site.
Expedite: Typically completed within 1 hour after the specimen arrives at the testing site.
STAT: Typically completed within 30 minutes after the specimen arrives at the testing site.
Reference Values
Newborn (whole blood or plasma): 50-99 mg/dL
With respect to newborn range there appears to be no accepted standard consensus. This range is set by Dr. D. Slagel, laboratory medical director, following consultation with Dr. K. Scott, Neonatologist.
1 Month to Adult (serum, plasma or whole blood): 70-99 mg/dL
- Critical values:
- Low: < 50 mg/dL
- High: > 450 mg/dL
CPT Code Information
82947 Chemistry: Glucose Testing Glucose; quantitative, blood (except reagent strip)
Useful For
Diagnosing and managing diabetes mellitus and other carbohydrate metabolism disorders including gestational diabetes, neonatal hypoglycemia, idiopathic hypoglycemia, and pancreatic islet cell carcinoma
LOINC Code Information
1554-5 Glucose [Mass/Volume] In Serum Or Plasma-12 Hours Fasting