ARUP's Laboratory Test Directory

0050180: C-Reactive Protein

Test Mnemonic: CRP
Methodology: Immunoturbidimetric

Performed: Sun-Sat

Reported: Within 24 hours

Specimen Required:  
Collect: One 4 mL SST.  Also acceptable: PST, green (lithium heparin), lavender (EDTA), or pink (K2EDTA).

Transport: 1 mL serum at 2-8°C. (Min: 0.3 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.3 mL serum at 2-8°C.

Remarks: Allow sample to clot completely at room temperature.  Separate serum or plasma from cells ASAP.

Unacceptable Conditions: Hemolyzed specimens.

Stability: After separation from cells: Ambient: 8 hours; Refrigerated: 8 days; Frozen: 3 years (if frozen within 24 hours)

Reference Interval:
0.0-0.8 mg/dL

CPT Code(s):
86140