| | | Deletion | Autosomal recessive primary microcephaly | |
| | | Single nucleotide variant (intron variant) | Autosomal recessive primary microcephaly | |
| | | Deletion (frameshift variant +1 more) | Autosomal recessive primary microcephaly | |
| | | Deletion | Autosomal recessive primary microcephaly | |
| | | Single nucleotide variant (nonsense +1 more) | Autosomal recessive primary microcephaly +1 more | |
| | | Single nucleotide variant (nonsense +1 more) | not provided +1 more | |
| | | Deletion (frameshift variant +1 more) | Autosomal recessive primary microcephaly | |
| | MCPH1-AS1, MCPH1 (G709* +1 more) | Single nucleotide variant (nonsense) | Autosomal recessive primary microcephaly | |
| | | Deletion (intron variant) | Autosomal recessive primary microcephaly | |
| | | Single nucleotide variant (splice donor variant +1 more) | not provided +2 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (intron variant) | Autosomal recessive primary microcephaly | |
| | | Microsatellite (frameshift variant +1 more) | Autosomal recessive primary microcephaly | |
| | | Single nucleotide variant (splice donor variant) | Microcephaly 2, primary, autosomal recessive, with or without cortical malformations +1 more | |
| | | Single nucleotide variant (nonsense +1 more) | Autosomal recessive primary microcephaly | |
| | MCPH1, MCPH1-AS1 (K711* +1 more) | Single nucleotide variant (nonsense) | Autosomal recessive primary microcephaly | |
| | | Single nucleotide variant (nonsense +1 more) | Microcephaly 5, primary, autosomal recessive +1 more | |
| | MCPH1, MCPH1-AS1 (Q695* +1 more) | Single nucleotide variant (non-coding transcript variant +1 more) | Microcephaly 1, primary, autosomal recessive +2 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (nonsense +1 more) | Microcephaly 5, primary, autosomal recessive +2 more | |
| | | Single nucleotide variant (nonsense +1 more) | Autosomal recessive primary microcephaly | |
| | | Single nucleotide variant (splice donor variant) | Microcephaly 5, primary, autosomal recessive +2 more | GConflicting classifications of pathogenicity |
| | | Insertion (frameshift variant) | Autosomal recessive primary microcephaly +1 more | |
| | | Single nucleotide variant (nonsense) | Autosomal recessive primary microcephaly +1 more | |
| | | Single nucleotide variant (3 prime UTR variant +2 more) | Autosomal recessive primary microcephaly +2 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (missense variant) | Autosomal recessive primary microcephaly | |
| | | Single nucleotide variant (nonsense) | Autosomal recessive primary microcephaly | |
| | | Single nucleotide variant (splice donor variant) | Microcephaly 17, primary, autosomal recessive | |
| | | Deletion (frameshift variant) | Microcephaly 17, primary, autosomal recessive | |
| | | Deletion (frameshift variant +1 more) | Seckel syndrome 4 +1 more | GPathogenic/Likely pathogenic |
| | | Deletion (frameshift variant) | Autosomal recessive primary microcephaly +2 more | GPathogenic/Likely pathogenic |
| | | Microsatellite (frameshift variant +1 more) | Autosomal recessive primary microcephaly +2 more | GPathogenic/Likely pathogenic |
| | | Single nucleotide variant (splice donor variant) | Autosomal recessive primary microcephaly +2 more | GPathogenic/Likely pathogenic |
| | | Single nucleotide variant (missense variant +1 more) | Autosomal recessive primary microcephaly +2 more | GPathogenic/Likely pathogenic |
| | | Single nucleotide variant (nonsense) | Microcephaly +3 more | |
| | | Single nucleotide variant (nonsense) | Microcephaly 5, primary, autosomal recessive +3 more | |
| | | Single nucleotide variant (missense variant) | not provided +2 more | |