| | | Deletion (intron variant) | not provided | |
| | HNRNPU-AS1, COX20 (F21L +1 more) | Single nucleotide variant (missense variant +2 more) | not provided | |
| | HNRNPU-AS1, COX20 (A30T +1 more) | Single nucleotide variant (missense variant +2 more) | not provided | |
| | COX20, HNRNPU-AS1 (Y36C +1 more) | Single nucleotide variant (missense variant +2 more) | not provided | |
| | COX20, HNRNPU-AS1 (G37S +1 more) | Single nucleotide variant (missense variant +2 more) | not provided | |
| | | Single nucleotide variant (synonymous variant +2 more) | Mitochondrial complex 4 deficiency, nuclear type 11 +1 more | |
| | COX20, HNRNPU-AS1 (T52P +1 more) | Single nucleotide variant (missense variant +2 more) | Mitochondrial complex 4 deficiency, nuclear type 11 | |
| | | Single nucleotide variant (splice donor variant +1 more) | not provided | |
| | COX20, HNRNPU-AS1 (E61fs +3 more) | Duplication (frameshift variant +1 more) | Mitochondrial complex 4 deficiency, nuclear type 11 | |
| | COX20, HNRNPU-AS1 (G20E +2 more) | Single nucleotide variant (missense variant +2 more) | not provided | |
| | | Single nucleotide variant (intron variant) | Mitochondrial complex 4 deficiency, nuclear type 11 +3 more | GConflicting classifications of pathogenicity |
| | HNRNPU-AS1, COX20 (H76N +2 more) | Single nucleotide variant (missense variant +2 more) | not provided | |
| | | Single nucleotide variant (synonymous variant +2 more) | not specified | |
| | COX20, HNRNPU-AS1 (I102F +2 more) | Single nucleotide variant (missense variant +2 more) | not provided | |
| | HNRNPU-AS1, COX20 (T116A +2 more) | Single nucleotide variant (missense variant +2 more) | not provided | |
| | COX20, HNRNPU-AS1 (D107Y +2 more) | Single nucleotide variant (missense variant +2 more) | not provided | |
| | COX20, HNRNPU-AS1 (D107N +2 more) | Single nucleotide variant (missense variant +2 more) | Mitochondrial complex 4 deficiency, nuclear type 11 +1 more | |
| | COX20, HNRNPU-AS1 (P63L +2 more) | Single nucleotide variant (missense variant +2 more) | Inborn genetic diseases | |
| | | Single nucleotide variant (synonymous variant +2 more) | not specified | |