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Test Code CRP C Reactive Protein Quantitative

Aliases

CRP Quantitative

Patient Preparation

No special patient preparation required

Collection Method

Venous collection

Minimum Volume

  • Adults: 0.8ml
  • Pediatric: 0.5mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Light Green Top (lithium heparin) plasma

Acceptable Specimens

Serum:

  • Gold Top SST
  •  
  • Red Top


Plasma:

 

  • Light Geen Top (lithium heparin)
  • Purple Top(K2/K3 EDTA)

 

Reference or Target Ranges

< 0.5 mg/dL

Reportable Units

mg/dL

Critical Value

Not defined for this assay

Reasons for Rejection

 


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Hemolysis Threshold 750 mg/dL
Icterus Threshold 60 mg/dL
Lipemia Threshold 1000 mg/dL
Other QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability

 


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Ambient 11 days
Refrigerated (4°C to 8°C) 2 months
Frozen(-40°C to 0°C) 3 years

Performance Information

 


<!-- Performance information -->

 

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availability Yes
Performing Bench UH Chemistry
Methodology/Method Description Siemens Atellica – Enzyme immunoassay

CPT Codes

86140