Unspecified astigmatism
http://purl.bioontology.org/ontology/ICD10CM/H52.20
C0004106
http://purl.bioontology.org/ontology/ICD10CM/H52.22
http://purl.bioontology.org/ontology/ICD10CM/H52.21
H52.20
09584
T047
http://purl.bioontology.org/ontology/ICD10CM/H52.2