In particular the ICD evolved as insurance billing codes so the structures they resemble is office paperwork. The Human Phenotype Ontology (HPO) on the other h

In particular the ICD evolved as insurance billing codes so the structures they resemble is office paperwork. The Human Phenotype Ontology (HPO) on the other hand is made to represent observable characteristics at various granularities. [hpo] https://hpo.jax.org/app/ https://hpo.jax.org/app/