At LabCorp, Phosphorus is drawn in a Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube, order code 001024.
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Phosphorus tube and order code at LabCorp
LabCorp verified by: Mandi Boss B Franklin, Jul 11, 2026
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No login · Zero PHI · Clinician-verified · Quest + LabCorp + BioReference.