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Lab Manual for Moffitt-Long and Mount Zion

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Glucose, whole blood

Item Value
Approval req'd? No
Available Stat? Yes
Test code NGLU
Test group Glucose
Performed by Neonatal Clinical Physiology Lab & Mt. Zion Chemistry
In House Availability Test available 24 hours per day 7 days per week
Method Oxygen consumption (O2 electrode with glucose oxidase)
Collection Instructions Transport immediately to laboratory
Container type Plastic syringe containing 100 U of dry heparin
Amount to Collect 3 mL blood
Sample type Heparinized whole blood
Preferred volume 3 mL blood
Min. Volume 1 mL blood
UCSF Rejection Criteria Delivered to lab > 30 min after collection
Units mg/dL
Normal range Pediatrics:
< 1 month 55-115 mg/dL
1 month - 1 year 55-123 mg/dL
1 year - 17 years 56-145 mg/dL


Adults (≥ 18 years old):
Normal 70-199 mg/dL
Impaired glucose tolerance 140-199 mg/dL*
Diabetes mellitus > 199 mg/dL**


* measured 2 hour postprandial
** AND Sx of diabetes such as polyuria, polydipsia or unexplained weight loss

1. Normal range for infants 0 to <1 month adapted from Soldin, Steven J., "Pediatric Reference Intervals", 6th edition, AACC Press, 2007, method 1.
2. Normal range for 1 month to <18 years adapted from Beckman Coulter's "Pediatric Reference Range Guidelines for Synchron Systems" Bulletin 9345
3. ADA guidelines used for adults.
Critical value
Neonates < 30 mg/dL or > 170 mg/dL
≥ 1 month old < 50 mg/dL or > 500 mg/dL
Synonyms Diabetes mellitus
Turn around times STAT 1 hour, Routine 4 hours
Additional information To convert mg/dl to mmol/L (SI units) multiply by 0.0555.

Whole blood levels of glucose are 15% lower than those in serum or plasma; many glucometers which employ whole blood for testing artificially correct for this difference, reporting their results as the equivalent serum or plasma level.
Medical Necessity? Yes. Click here for more information
LOINC code 2339-0
Last Updated 3/14/2013 2:59:34 PM
Entry Number 427
Lab Procedure Link Click here for Procedure
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