Chloride
- Sample Type
- Standard
- Fasting
- No
- Unit
- mmol/L
Chloride is the major extracellular anion and works closely with sodium to maintain osmotic pressure and acid-base balance. In a 'Basic Kidney Profile', chloride helps evaluate renal function and fluid status. It is essential for determining the 'Anion Gap' in metabolic acidosis. Abnormalities usually mirror sodium changes but can occur independently in certain acid-base disorders or renal tubular pathologies.
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Why Context Matters
Isolated chloride abnormalities without sodium changes are often due to acid-base disturbances (like metabolic alkalosis from vomiting or Renal Tubular Acidosis) rather than simple dehydration. Medications like diuretics or certain IV fluids (Normal Saline) can also skew results.
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 Chloride:
Official Sources
- Approach to acid–base disorders in primary care - PMCpmc.ncbi.nlm.nih.gov
- Understanding Acid-Base Disorders - PMCpmc.ncbi.nlm.nih.gov
Research & Guidelines
- PubMed: Chloride 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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