Granular Casts (Urine)
Granular casts are cylindrical structures containing granules, formed in kidney tubules. Their presence may indicate kidney disease, tubular damage, or stress (e.g. exercise, fever).
Category: Urinalysis
Also known as: цилиндры зернистые
Reference range: 0–2 /LPF (Source: ABIM)
Standard unit: /LPF
High values may indicate
Increased granular casts may suggest kidney disease (glomerulonephritis, pyelonephritis, tubular necrosis), stress (exercise, fever), or chronic kidney disease. Further evaluation is recommended.
Low values may indicate
Normal levels. No clinical concern.
Frequently asked questions
- What is a normal Granular Casts (Urine) level?
- A typical reference range for Granular Casts (Urine) is 0–2 /LPF (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Granular Casts (Urine) measured in?
- Granular Casts (Urine) is most commonly reported in /LPF. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Granular Casts (Urine) 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 Granular Casts (Urine) over time?
- Yes. Upload results from any lab and BloodId charts your Granular Casts (Urine) 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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