AIDS-defining conditions in people living with HIV

(from draft UK HIV Testing Guidelines 2026)

Category  Condition 
Neoplasm 
  • Cervical cancer
  • Non-Hodgkin lymphoma
  • Kaposi’s sarcoma  
Bacterial infection 
  • Mycobacterium tuberculosis, pulmonary or extrapulmonary
  • Mycobacterium avium complex or Mycobacterium kansasii, disseminated or extrapulmonary
  • Mycobacterium, other species or unidentified species, disseminated or extrapulmonary
  • Pneumonia, recurrent (two or more episodes in 12 months)
  • Salmonella septicaemia, recurrent   
Viral infection 
  • Cytomegalovirus retinitis
  • Cytomegalovirus, other (except liver, spleen, glands)
  • Herpes simplex, ulcer(s) >1 month/bronchitis/pneumonitis
  • Progressive multifocal leukoencephalopathy 
Parasitic infection 
  • Cerebral toxoplasmosis
  • Cryptosporidiosis diarrhoea, >1 month
  • Isosporiasis, >1 month
  • Atypical disseminated leishmaniasis
  • Reactivation of American trypanosomiasis (meningoencephalitis or myocarditis) 
Fungal infection 
  • Pneumocystis carinii pneumonia
  • Candidiasis, oesophageal
  • Candidiasis, bronchial/tracheal/pulmonary
  • Cryptococcosis, extrapulmonary
  • Histoplasmosis, disseminated/extrapulmonary
  • Coccidioidomycosis, disseminated/extrapulmonary
  • Talaromycosis (penicilliosis), disseminated