Large Unstained Cells (LUC)
Large Unstained Cells (LUC) are a subset of white blood cells that are larger than normal lymphocytes and do not stain with standard dyes. They may include atypical lymphocytes, blasts, or other abno…
Category: Complete Blood Count
Also known as: luc
Reference range: 0–4 % (Source: ABIM)
Standard unit: %
High values may indicate
Elevated LUC may indicate viral infections, atypical lymphocytes, or rarely hematologic malignancies.
Low values may indicate
Normal or zero LUC values are typical and do not indicate any concern.
Frequently asked questions
- What is a normal Large Unstained Cells (LUC) level?
- A typical reference range for Large Unstained Cells (LUC) is 0–4 % (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Large Unstained Cells (LUC) measured in?
- Large Unstained Cells (LUC) is most commonly reported in %. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Large Unstained Cells (LUC) reference ranges come from?
- BloodId uses ABIM standard reference ranges and educational information from MedlinePlus (see our methodology). Reference ranges still vary by lab, age, and sex, so always compare against your own report.
- Can I track Large Unstained Cells (LUC) over time?
- Yes. Upload results from any lab and BloodId charts your Large Unstained Cells (LUC) over time against its reference range, so you can see whether the trend is rising, falling, or stable.
Related biomarkers
Source: BloodId admin-reviewed
Analyze your Large Unstained Cells (LUC) with AI
Chart your Large Unstained Cells (LUC) over time
Track your Large Unstained Cells (LUC) over time with BloodId