//fpnotebook.com/
Urine pH
Aka: Urine pH
- Normal
- 4.5-8.0 (usually 5.5 to 6.5)
- Background
- Urine pH reflects serum pH except with RTA
- In Renal Tubular Acidosis (RTA), Urine pH >5.5
- Urine cannot be acidified despite acid load
- Increased (Alkalotic urine)
- Stale ammoniacal sample (Very high pH)
- Void testing if old sample
- Bacteriuria
- Reflects urea splitting organisms
- Associated with Magnesium-ammonium phosphate crystals
- Vegetarian diet
- High citrate diet
- Renal Failure
- Drugs
- Antibiotics
- Bicarbonate
- Acetazolamide
- Decreased (Acidic urine)
- Acidosis
- Diabetes Mellitus
- Starvation
- Diarrhea
- Uric Acid Calculi
- Acidic fruits (Cranberry)
- Drugs
- Ammonium chloride