A kidney disorder of impaired net acid secretion by the distal tubule characterized by hyperchloremic metabolic acidosis. Primary distal renal tubular acidosis is often associated with hypokalemia whereas acquired form may be associated with hypokalemia, hyperkalemia or normokalemia. The disease is MONDO_0015827 (distal renal tubular acidosis). Also known as: Primary Distal Renal Tubular Acidosis, classic RTA, dRTA, distal renal tubular acidosis (disease), familial distal primary acidosis, renal tubular acidosis type 1.