ATP6V1B1 and distal renal tubular acidosis: Data on molecular genetics and long-term outcomes of primary dRTA, especially for newer genotypes, are limited.<h4>Methods</h4>63 probands with a clinical diagnosis of dRTA underwent molecular genetic testing, specifically including SLC4A1, ATP6V1B1, ATP6V0A4, WDR72, and FOXI1.