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HelpTest Code CRP C-Reactive Protein, Non-Cardiac, Plasma or Serum
Performing Laboratory
North Ottawa Community Hospital
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Specimen Type: Plasma
Container/Tube: Mint-green top (lithium heparin gel)
Specimen Volume: 1 mL
Collection Instruction:
1. Label specimen as plasma.
2. Avoid hemolysis and lipemia.
Acceptable:
Specimen Type: Serum
Container/Tube: Serum gel or red top
Specimen Volume: 1 mL
Collection Instruction:
1. Label specimen as serum.
2. Avoid hemolysis and lipemia.
Reference Values
0.0-1.0 mg/dL
>1.0 mg/dL (acute inflammation)
Day(s) Test Set Up
Monday through Sunday
Methodology
Fixed-point Immuno- Rate
Specimen Transport Temperature
Ambient
Test Classification and CPT Coding
86140
Specimen Storage and Stability
| Specimen Type | Temperature | Time |
| Serum/Plasma | Room Temp | < 4 hours |
| Refrigerated (primary) | <3 days | |
| Frozen | <6 months |