Altered Urinary pH

Differential Diagnosis

Respiratory or metabolic acidosis

Respiratory or metabolic alkalosis Defect in renal tubular secretion and reabsorption

Don't Miss – Dangerous Situations

Severe acidosis or alkalosis could result in a lethal outcome in the short term and should be addressed immediately.

Commonly Encountered Situations

There are many causes of acidosis and alkalosis with altered urinary pH.

Suggested Additional Lab Testing

Blood gas testing is valuable in the assessment of respiratory or metabolic acidosis or alkalosis.

Serum or plasma BUN or creatinine for initial assessment of renal function should be ordered.