isolated thyrotropin-releasing hormone deficiency https://www.malacards.org/card/thyrotropin_releasing_hormone_deficiency isolated TRF deficiency isolated thyrotropin-releasing factor deficiency Orphanet:238670 hypothalamic hypothyroidism GARD:0017179 NCIT:C121741 tertiary hypothyroidism isolated prothyroliberin deficiency TRH deficiency isolated protirelin deficiency UMLS:C3887992 Hypothyroidism due to dysfunction of the hypothalamus, assumed to result in reduced secretion of thyrotropin- releasing hormone. isolated thyroliberin deficiency thyrotropin-releasing hormone deficiency OMIM:275120 isolated TRH deficiency isolated TSH-releasing factor deficiency MEDGEN:854700 MONDO:0010140 ICD9:253.4 SCTID:10736002 central congenital hypothyroidism