Sulfosalicylic acid (original) (raw)

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Sulfosalicylic acid_Aka: Protein Precipitation Test_

  1. See Also
    1. Urinalysis
    2. Urine Protein
  2. Indication
    1. Confirmation of proteiunuria on Urine Protein dipstick
  3. Efficacy
    1. Highly sensitive for Urine Protein
    2. Detects light chain proteins
  4. Technique
    1. Urine mixed with 3% to 5% Sulfosalicylic Acid (SSA)
    2. Urine turbidity measured with photometer
    3. Variation in results may be as much as 20%
  5. Positive Test
    1. See Proteinuria
  6. False positive causes
    1. Radiographic contrast agents (in last 3 days)
    2. Tolbutamide
    3. Penicillins
    4. Sulfisoxazole
  7. Negative Test
    1. False Proteinuria
    2. Renal Tubules not reabsorbing