- Baehr-Schiffrin disease (thrombotic thrombocytopenic purpura) 446.6
- Baelz's disease (cheilitis glandularis apostematosa) 528.5
- Baerensprung's disease (eczema marginatum) 110.3
- Bagassosis (occupational) 495.1
- Baghdad boil 085.1
- Bagratuni's syndrome (temporal arteritis) 446.5
- Baker's
- Bakwin-Krida syndrome (craniometaphyseal dysplasia) 756.89
- Balanitis (circinata) (gangraenosa) (infectious) (vulgaris) 607.1
- Balanoposthitis 607.1
- Balanorrhagia - see Balanitis
- Balantidiasis 007.0
- Balantidiosis 007.0
- Balbuties, balbutio (see also Disorder, fluency) 315.35
- Bald
- Baldness (see also Alopecia) 704.00
- Balfour's disease (chloroma) 205.3
- Balint's syndrome (psychic paralysis of visual fixation) 368.16
- Balkan grippe 083.0
- Ball
- Ballantyne (-Runge) syndrome (postmaturity) 766.22
- Balloon disease (see also Effect, adverse, high altitude) 993.2
