Laboratory Services

Glucose, Fasting

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Updated Test Information:

Test Description
Glucose, Fasting
Test ID
GLUF
Specimen Type

Serum

Specimen Requirements

SST

Alternate Specimen Type

Red, Li-heparin plasma, K2EDTA, NaF/Na2EDTA, KF/Na2EDTA, NaF/K‑Oxalate

Specimen Collection / Processing Instructions

SST - Plasma or serum samples without preservative (NaF) should be separated from the cells or clot within half an hour of being drawn.

Minimum Sample Volume

1 mL

Pediatric Min. Volume (if applicable)

500 uL

Additional Processing Details

Plasma or serum samples without preservative (NaF) should be separated from the cells or clot within half an hour of being drawn.

Stability

8 hours at 15-25˚C
7 days at 2-8 ˚C
Stability in fluoride plasma: 3 days at 15‑25 °C

Methodology

UV Enzymatic

Estimated TAT

0-2 days

Testing Schedule

Monday-Saturday

CPT Code(s)

82947

Reference Range

Adults: 74‑106 mg/dL
60‑90 yrs: 82‑115 mg/dL
> 90 years: 75‑121 mg/dL

Children: 60‑100 mg/dL
Neonates (1 day): 40‑60 mg/dL
Neonates (> 1 day): 50‑80 mg/dL

Performing Lab

Incyte Diagnostics

LOINC Code(s)

1558-6