hypotrichosis alopecia https://www.malacards.org/card/alopecia hair loss ICD9:704.00 NCIT:C50575 Orphanet:79364 ICD9:704.09 Hair loss usually from the scalp. It may result in bald spots or spread to the entire scalp or the entire epidermis. It may be androgenetic or caused by chemotherapeutic agents, compulsive hair pulling, autoimmune disorders or congenital conditions. alopecia alopecia areata UMLS:C0002170 MEDGEN:7982 MESH:D000505 ICD9:704.0 SCTID:56317004 loss Of hair DOID:987 icd11.foundation:1313926062 MONDO:0004907 hair anomaly