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Mayo Clinic Laboratories

Test Code GLUF Glucose, Fasting, Plasma or Serum

Performing Laboratory

Lima Memorial Health System Laboratory

Specimen Requirements

Preferred:
Container/Tube: Green cap-yellow ring Top (Lithium Heparin Gel) tube
Minimum Volume: 1.0 mL 
Collection Instructions: Centrifuge within 2 hours.
Also Acceptable:
Container/Tube: Plain, Red Top or Serum gel (SST-Gel) tube

Reference Values

Age Reference Range Alarm values (automatic call-back)

0-28 Days

51-100 mg/dl

<30 md/dl or >330 mg/dl
 ≥ 29 Days 70-110 mg/dl <51 mg/dL or ≥400 mg/dL

Specimen Stability

Ambient: 8 hours
Refrigerate: 48 hours
Frozen: aliquot for longer storage

Day(s) Test Set Up

Monday through Sunday

Methodology

Hexokinase G-6-PDH

Test Classification and CPT Coding

82947