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C-Reactive Protein
MessageChemistry
Test Code
LAB149
Alias/See Also
CRP
CPT Codes
86140
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.
Other Acceptable Specimens
Gold top (serum separator tube) or Red Top
Instructions
Plasma or serum acceptable. LAB: Centrifuge specimens and separate within 4 hours of collection.
Keep stoppered.
Keep stoppered.
Specimen Stability
Ambient: up to 4 hours
Refrigerated: 3 days
Frozen: up to 6 months.
Refrigerated: 3 days
Frozen: up to 6 months.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, contaminated, not enough volume
FDA Status
Approved
Setup Schedule
Everyday
Report Available
Same day
Limitations
Hemoglobin at 250 mg/dl with an analytic concentration of 2 mg/dl can cause a bias of +1.13.
Reference Range
<1 mg/dL
Performing Laboratory
Hoag Newport/ Hoag Irvine
