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Glucose, 2hr Post Prandial
MessageChemistry
Test Code
LAB1237005
Alias/See Also
2-Hours Post Prandial
CPT Codes
82950
Preferred Specimen
Light green top tube (lithium heparin plasma)
Minimum Volume
Whole blood: 600 uL (one full light-green-top microtainer or two full red-top microtainers).
Serum/plasma: 300 uL plasma.
Serum/plasma: 300 uL plasma.
Other Acceptable Specimens
Gold top (serum separator tube) or Red Top
Instructions
LAB: Centrifuge and analyze promptly. Serum acceptable. Dilute grossly lipemic specimens. Separate specimens within 30 minutes of collection.
Specimen Stability
Ambient: up to 24 hours.
Refrigerated: 7 days.
Frozen: 1 year.
Refrigerated: 7 days.
Frozen: 1 year.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, contaminated, not enough volume
FDA Status
Approved
Setup Schedule
Everyday
Report Available
Same day
Limitations
In fresh specimens, catalase released from the lysis of red blood cells causes a negative bias in glucose results. The degree of bias is proportional to the degree of hemolysis. In fresh samples, a negative bias of up to 10% may be observed with a level of hemolysis associated with a hemoglobin concentration of 250 mg/dL.
Reference Range
<180 mg/dL
Performing Laboratory
Hoag Newport/ Hoag Irvine
