DO_infectious_disease_slim transmitted by has symptom Pediculus humanus capitis infestation DOID:5501 A lice infestation that involves colonization of the hair and skin by the parasitic insect Pediculus humanus capitis, which feeds on blood several times daily and resides close to the scalp to maintain its body temperature. The symptoms include tickling feeling of something moving in the hair, itching, caused by an allergic reaction to louse saliva, and irritability. disease_ontology ICD10CM:B85.0 Pediculus capitis infestation SNOMEDCT_US_2025_09_01:81000006 UMLS_CUI:C0030757 ICD9CM:132.0 Pediculosis capitis Pediculus capitis head louse infestation lice infestation itching irritability contact transmission