<i>MUC5B</i> rs35705950 was strongly associated with RA-ILD in all datasets {combined adjusted odds ratio [OR] 2.9 [95% CI 2.1, 3.9], <i>P</i> = 1.1 × 10<sup>-11</sup>. The gene discussed is MUC5B; the disease is rheumatoid arthritis.