Zinc (RBC)
Red blood cell zinc measures intracellular zinc status, which reflects long-term zinc stores more accurately than serum zinc. It is useful for detecting zinc deficiency that may not be apparent from…
Category: Vitamins & Minerals
Also known as: zinc, rbc
Reference range: 9–14.7 mg/L (Source: ABIM)
Standard unit: mg/L
High values may indicate
Elevated RBC zinc may indicate excess zinc supplementation or exposure.
Low values may indicate
Low RBC zinc indicates zinc deficiency, associated with impaired immune function, poor wound healing, and taste disturbances.
Frequently asked questions
- What is a normal Zinc (RBC) level?
- A typical reference range for Zinc (RBC) is 9–14.7 mg/L (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Zinc (RBC) measured in?
- Zinc (RBC) is most commonly reported in mg/L. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Zinc (RBC) 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 Zinc (RBC) over time?
- Yes. Upload results from any lab and BloodId charts your Zinc (RBC) over time against its reference range, so you can see whether the trend is rising, falling, or stable.
Related biomarkers
Source: BloodId admin-reviewed
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