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C Reactive Protein (CRP)
Test CodeLAB149
Alias/See Also
1231100111
CPT Codes
86140
Includes
C-REACTIVE PROTEIN
Preferred Specimen
CLINIC COLLECTIONS: Green Lithium Heparin tube (Gel separator preferred)
Minimum Volume
CLINIC COLLECTIONS: 0.5 mL plasma
Instructions
CLINIC COLLECTIONS: Collect 0.5 ml plasma in Green Lithium Heparin tube (Gel separator preferred). Must be spun within 2 hours after collection. If no gel separator, plasma must be pulled off cells within 2 hours.
If collecting with AST, ALT, VD25, K+, or LDH, label routes to Gold/SST. Collect 1.0 mL of serum in Gold/SST. Must be spun within 2 hours after collection.
If collecting with AST, ALT, VD25, K+, or LDH, label routes to Gold/SST. Collect 1.0 mL of serum in Gold/SST. Must be spun within 2 hours after collection.
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature (20 to 25°C): 15 days
Refrigerated (2 to 8°C): 2 months
Freezer (-20°C): 1 year
Refrigerated (2 to 8°C): 2 months
Freezer (-20°C): 1 year
Methodology
Abbott Alinity
Reference Range
Males/Females:
0.00-0.50 mg/dL
0.00-0.50 mg/dL
Performing Laboratory
FORT SMITH LABORATORY HEBER SPRINGS LABORATORY LITTLE ROCK LABORATORY NORTH LITTLE ROCK LABORATORY VAN BUREN LABORATORY EL DORADO LABORATORY DREW COUNTY LABORATORY
Last Updated: August 26, 2026
