| | UGT1A1, UGT1A +8 more (L31R) | Single nucleotide variant (missense variant +1 more) | Crigler-Najjar syndrome type 1 | |
| | UGT1A6, UGT1A7 +8 more (G71R) | Single nucleotide variant (missense variant +1 more) | Irinotecan response +5 more | GConflicting classifications of pathogenicity; drug response |
| | UGT1A, UGT1A1 +8 more (F83L) | Single nucleotide variant (missense variant +1 more) | Crigler-Najjar syndrome type 1 +1 more | GPathogenic/Likely pathogenic |
| | UGT1A, UGT1A1 +8 more (R108C) | Single nucleotide variant (missense variant +1 more) | Inborn genetic diseases +4 more | |
| | UGT1A10, UGT1A5 +8 more (D119fs) | Duplication (frameshift variant +1 more) | Crigler-Najjar syndrome type 1 +3 more | GPathogenic/Likely pathogenic |
| | UGT1A, UGT1A1 +8 more (S120P) | Single nucleotide variant (missense variant +1 more) | not provided +1 more | |
| | UGT1A, UGT1A1 +8 more (L140fs) | Deletion (frameshift variant +1 more) | Crigler-Najjar syndrome, type II | |
| | UGT1A, UGT1A1 +8 more (C177Y) | Single nucleotide variant (missense variant +1 more) | not provided +1 more | GPathogenic/Likely pathogenic |
| | UGT1A, UGT1A1 +8 more (G362S +4 more) | Single nucleotide variant (missense variant) | UGT1A1-related disorder +2 more | GConflicting classifications of pathogenicity |
| | UGT1A10, UGT1A3 +8 more (Y486D +4 more) | Single nucleotide variant (missense variant) | Crigler-Najjar syndrome type 1 +6 more | GPathogenic/Likely pathogenic |
| | UGT1A, UGT1A1 +8 more (R247Q +4 more) | Single nucleotide variant (missense variant) | Lucey-Driscoll syndrome | |