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Glucose 血糖

B012

Specimen Required

2 mL Fl (1 mL Fl-p)

Schedule

Monday-Saturday

Specimen Stability

Ambient:

48 hr

Refrigerated:

7 days

Frozen:

1 month

Reference Interval: Conv. Units

Normal fasting glucose	70-99 mg/dL
Impaired fasting glucose (IFG)	100-125 mg/dL
Diabetes mellitus (DM), fasting glucose	≥126 mg/dL

Reference Interval: S.I. Units

Normal fasting glucose	3.9-5.5 mmol/L
Impaired fasting glucose (IFG)	5.6-6.9 mmol/L
Diabetes mellitus (DM), fasting glucose	≥7.0 mmol/L

Reference Notes and Guidelines

Reference notes:

1. This reference interval applies to specimens collected after ≧8 hours fasting (no caloric intake).

2. If the patient was not fasting, the above fasting reference interval does not apply.

3. For non-fasting specimens, random plasma glucose ≧ 200 mg/dL (≧ 11.1 mmol/L) is suggestive of diabetes mellitus in the presence of classical symptoms.

4. In the absence of unequivocal hyperglycemia, the diagnosis of DM should be confirmed by repeat testing.

5. Flagging of results is based on fasting plasma glucose criteria only.

Source: ADA Diabetes Care 2014:37.

7/26/2026 12:10:53 PM