Lab comparison
Lactic Acid Dehydrogenase (LD): 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.
| Requirement | Quest Diagnostics | LabCorp | BioReference |
|---|---|---|---|
| Test code | 593 | 001115 | 0117-2 |
| Primary tube | Sodium heparin (green-top) tube or Lithium heparin (green-top) tube | Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do not use oxalate, EDTA, or citrate plasma. | SST Tube |
| Specimen type | Serum | Serum (preferred) or plasma | 2 mL SST Tube |
| Patient prep | See lab specimen manual | See lab specimen manual | See lab specimen manual |
| Minimum volume | Minimum Volume 0.5 mL | Minimum Volume 0.7 mL (Note: This volume does not allow for repeat testing.) | Qty 1 |
Frequently asked questions
What is the Quest Diagnostics order code for Lactic Acid Dehydrogenase (LD)?
The Quest Diagnostics order code for Lactic Acid Dehydrogenase (LD) is 593.
What tube color does LabCorp use for Lactic Acid Dehydrogenase (LD)?
LabCorp uses a Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do not use oxalate, EDTA, or citrate plasma. for Lactic Acid Dehydrogenase (LD).
Does Lactic Acid Dehydrogenase (LD) require fasting?
Lactic Acid Dehydrogenase (LD) patient prep: See lab specimen manual. 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.
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Related: why lab specimens get rejected, and how to prevent it
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