non-immune hydrops fetalis EFO:0009051 Hemoglobin H hydrops fetalis syndrome ICD10:P56.9 ICD10:P83.2 ICD9:778.0 MONDO:0009369 NCIT:C111905 NIHF Non-immune hydrops fetalis (NIHF), a form of HF, is a severe fetal condition defined as the excessive accumulation of fetal fluid within the fetal extravascular compartments and body cavities, and is the end-stage of a wide variety of disorders. OMIM:236750 Orphanet:363999 SCTID:276509008 UMLS:C0455988 hydrops fetalis, Alpha-thalassemia-related hydrops fetalis, nonimmune non-immune HF non-immune fetal edema non-immune fetal hydrops hydrops fetalis (disease)