| | | Duplication | not specified | |
| | HRAS, LRRC56 (P174S +1 more) | Single nucleotide variant (missense variant +1 more) | RASopathy | |
| | | Single nucleotide variant (synonymous variant +1 more) | RASopathy | |
| | HRAS, LRRC56 (R169W +1 more) | Single nucleotide variant (missense variant +1 more) | Costello syndrome +7 more | |
| | HRAS, LRRC56 (R161H +1 more) | Single nucleotide variant (missense variant +1 more) | not specified +1 more | |
| | | Single nucleotide variant (synonymous variant +1 more) | RASopathy | |
| | | Single nucleotide variant (synonymous variant +1 more) | Costello syndrome +1 more | |
| | | Single nucleotide variant (missense variant +2 more) | not specified | |
| | | Single nucleotide variant (intron variant) | not specified | |
| | | Single nucleotide variant (missense variant +1 more) | Costello syndrome +2 more | |
| | HRAS, LRRC56 (A146V +1 more) | Single nucleotide variant (missense variant) | Costello syndrome | |
| | | Single nucleotide variant (missense variant +1 more) | Costello syndrome +1 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (missense variant +1 more) | RASopathy | |
| | HRAS, LRRC56 (A134V +1 more) | Single nucleotide variant (missense variant) | not specified +1 more | |
| | | Single nucleotide variant (synonymous variant +1 more) | RASopathy | |
| | | Single nucleotide variant (missense variant +1 more) | not specified +2 more | |
| | | Single nucleotide variant (synonymous variant +1 more) | not provided +4 more | |
| | | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype +2 more | |
| | | Single nucleotide variant (synonymous variant +1 more) | RASopathy | |
| | HRAS, LRRC56 (K117R +1 more) | Single nucleotide variant (missense variant) | Costello syndrome | |
| | | Single nucleotide variant (synonymous variant +1 more) | Noonan syndrome and Noonan-related syndrome +8 more | |
| | | Single nucleotide variant (synonymous variant +1 more) | not specified +2 more | |
| | | Single nucleotide variant (missense variant +1 more) | RASopathy | |
| | | Single nucleotide variant (synonymous variant +1 more) | Costello syndrome +4 more | |
| | | Indel (missense variant +1 more) | Costello syndrome | |
| | | Single nucleotide variant (missense variant +1 more) | RASopathy | |
| | | Single nucleotide variant (missense variant +1 more) | Costello syndrome | |
| | | Single nucleotide variant (intron variant) | Costello syndrome +1 more | |
| | | Single nucleotide variant (intron variant) | not specified +2 more | |
| | | Single nucleotide variant (synonymous variant +1 more) | RASopathy | |
| | | Single nucleotide variant (missense variant +1 more) | Costello syndrome +1 more | |
| | | Single nucleotide variant (synonymous variant +1 more) | not provided +3 more | GConflicting classifications of pathogenicity |
| | | Single nucleotide variant (missense variant +1 more) | Noonan syndrome | |
| | | Single nucleotide variant (synonymous variant +1 more) | not specified | |
| | | Indel (missense variant +1 more) | not provided +1 more | GPathogenic/Likely pathogenic |
| | | Single nucleotide variant (missense variant +1 more) | not provided +4 more | GPathogenic/Likely pathogenic |
| | | Single nucleotide variant (missense variant +1 more) | Cardiovascular phenotype +3 more | |
| | | Single nucleotide variant (missense variant +1 more) | not provided +6 more | |
| | | Single nucleotide variant (missense variant +1 more) | Costello syndrome | |
| | | Single nucleotide variant (missense variant +1 more) | Cardiovascular phenotype +2 more | |
| | | Single nucleotide variant (missense variant +1 more) | Malignant tumor of urinary bladder +6 more | |
| | | Single nucleotide variant (5 prime UTR variant) | not provided +3 more | |