Monarch's entity route takes HGNC:11998. MyGene returns the bare digits.
Exported because a caller assembling its own entity id needs the same rule.
References
Putman et al. (2024). The Monarch Initiative in 2024: an analytic platform integrating phenotypes, genes and diseases across species. Nucleic Acids Research 52(D1), D938-D949. doi:10.1093/nar/gkad1082
Service documentation: https://monarchinitiative.org/