has material basis in germline mutation in RHAG familial hemolytic anemia overhydrated hereditary stomatocytosis https://www.malacards.org/card/overhydrated_hereditary_stomatocytosis stomatocytosis I UMLS:C1861455 DOID:0111562 icd11.foundation:595647587 MESH:C566111 MONDO:0008493 GARD:0004183 OMIM:185000 OHST MEDGEN:348876 Overhydrated hereditary stomatocytosis (OHSt) is a disorder of red cell membrane permeability to monovalent cations and is characterized clinically by hemolytic anemia. OHS Potassium sodium disorder of erythrocyte OVERHYDRATED hereditary stomatocytosis SCTID:722125003 Potassium-sodium disorder of erythrocyte stomatocytosis 1 overhydrated hereditary stomatocytosis Orphanet:3203 hereditary stomatocytosis