Isolated Cleft Lip is related to cleft lip and cleft lip with or without cleft palate. An important gene associated with Isolated Cleft Lip is IRF6 (Interferon Regulatory Factor 6), and among its related pathways/superpathways are Embryonic and Induced Pluripotent Stem Cells and Lineage-specific Markers and Head and neck squamous cell carcinoma. Affiliated tissues include whole blood and brain, and related phenotypes are chronic otitis media and non-midline cleft lip