hs-CRP is drawn in a Serum separator tube (SST) at Quest, a Red-top tube, gel-barrier tube, lavender-top (EDTA) tube, or green-top (heparin) tube at LabCorp, and a SST Tube at BioReference.
Lab comparison
hs-CRP: Quest vs LabCorp vs BioReference, tube, code & requirements
. This page shows collection requirements for all three major reference labs in one view, so you don’t have to cross-check three portals.
Always verify against your lab’s current collection manual before drawing.
Every value on this page is verified by a nurse practitioner in active clinical practice, not scraped from an automated source.
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| Requirement | Quest Diagnostics | LabCorp | BioReference |
|---|---|---|---|
| Test code | 10124 | 120766 | 3320-9 |
| Primary tube | Serum separator tube (SST) | Red-top tube, gel-barrier tube, lavender-top (EDTA) tube, or green-top (heparin) tube | SST Tube |
| Specimen type | 1 mL serum | Serum or plasma | 1 mL SST Tube |
| Patient prep | State patient's sex on the test request form. | State patient's sex on the test request form. | State patient's sex on the test request form. |
| Minimum volume | Minimum volume 0.5 mL | Not stated | Qty 1 |
Frequently asked questions
What is the Quest Diagnostics order code for hs-CRP?
The Quest Diagnostics order code for hs-CRP is 10124.
What tube color does LabCorp use for hs-CRP?
LabCorp uses a Red-top tube, gel-barrier tube, lavender-top (EDTA) tube, or green-top (heparin) tube for hs-CRP.
Does hs-CRP require fasting?
hs-CRP patient prep: State patient's sex on the test request form.. Always confirm with the ordering lab before the draw.
Data provenance
Source: Quest Diagnostics specimen collection manual, LabCorp directory of services, and BioReference laboratory collection guide.
Verified by: a licensed nurse practitioner in active clinical practice. Values are reviewed against each lab’s published collection requirements. Always confirm against your lab’s current manual before drawing.
Quest verified by: Mandi Boss B Franklin, Aug 29, 2026
LabCorp verified by: Mandi Boss B Franklin, Aug 29, 2026
BioReference verified by: Mandi Boss B Franklin, Aug 29, 2026
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