Urine Color
- Sample Type
- Standard
- Fasting
- No
- Unit
- Descriptive
The color of urine is a primary physical characteristic evaluated during a Urine Routine examination. It is determined by the concentration of urochrome (urobilin) and is a direct indicator of hydration status. Beyond hydration, abnormal colors can signal the presence of blood (hematuria), bilirubin (liver disease), hemoglobin, or myoglobin (muscle breakdown).
Why Context Matters
Many non-pathological factors alter urine color, including dietary intake (beets, blackberries, food dyes) and numerous medications (e.g., Rifampin, Phenazopyridine, Vitamin B12), which can mimic serious conditions like hematuria.
Lab ranges are statistical averages, not biological laws. "Normal" for a 20-year-old male isn't normal for a 60-year-old female.
Clinical References
Source-of-truth databases and clinical guidelines for Urine Color:
Official Sources
- Urinalysis: MedlinePlus Medical EncyclopediaMedlinePlus
- Urinalysis: MedlinePlusMedlinePlus
Research & Guidelines
- PubMed: Urine Color Clinical GuidelinesNCBI / PubMed
Related Indicators
Medically Reviewed by Dr. Binoy Babu, MBBS
Board Certified Doctor • 10+ Years Clinical Experience
Dr. Babu is a practicing physician dedicated to empowering patients with clear, actionable medical information. He founded 2opi to bridge the gap between complex lab reports and patient understanding, ensuring everyone has access to a reliable second opinion.
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