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Vitamin C

Ascorbic Acid Ascorbate Vitamin C Level
Serum or plasma (heparinised, protect from light, process within 4h) µmol/L

About this test

Essential antioxidant vitamin involved in collagen synthesis, immune function, and iron absorption. Deficiency causes scurvy.

Reference Ranges

Sex Age Range Notes
All ≥ 18 yrs 23 – 114 Adult; deficiency <11; scurvy risk <17

Clinical Interpretation

Low / Decreased
Scurvy — perifollicular haemorrhage, bleeding gums, poor wound healing, joint pain, fatigue.
Specimen
Serum or plasma (heparinised, protect from light, process within 4h)
Reporting Unit
µmol/L
Category
💊 Vitamins

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.