CRP (CRP)

Department: Chemistry
Test Synonym(s): LAB149, CRP, C Reactive Protein Blood
CPT Codes: 86140
Methodology: Immunoturbidimetric/Turbidimetric
Reference Range: 0 days - 14 days: 0.3-6.1 mg/L; 15 days - <15 years: 0.1-1 mg/L; 15 years - <19 years: 0.1-1.7 mg/L; 19 years - 150 years: 0-5 mg/L
Tube Type: Light green top PST (Lithium Heparin with gel)
Specimen: Plasma
Alternate Specimen: Red top (no gel)
Pediatric Requirements: 2 light green top microtainers
Volume: 2 mL plasma
Minimum Volume: 1 light green top (Pediatric = 2 light green top microtainers)
Temperature: Separate within one hour and store at 2-8C until delivery
Stability: Room temperature: 15 days; Refrigerated: 60 days; Frozen: 1 year
Reasons for Rejection: Hemolysis, improper collection
Days Performed: Daily
Times Performed: Continuous
TAT: STAT: 1 hour; ROUTINE: 2 hours after receiving in lab
Significance: Clinical action level >10 mg/L, reference: Benitz et al. Pediatrics 1998:102(4);e41

---

Search Help

---

Search Options for the Test Directory:

1. Enter the test name in the Keyword search field.
Hint: You can also enter any part of the test name to expand the search.
(Example: you can type "west" or "sed" or "rate" to find Westergren Sedimentation Rate)

2. Enter the Vanderbilt Test Code, if known.

3. Choose one of the letter boxes to display a list of all test names and keywords starting with that letter.

If you are unable to find a test in our directory, please contact VPLS at
1-800-551-5227 or e-mail emily.k.thompson@vumc.org.