Simple categories matching undiagnosed:

• problem,
• symptom,
• condition,
• disorder,
• pathology,
• disease,
• illness,

Members with property undiagnosed:

• opportunistic_infection,
• depression,
• diabetes,
• sickle-cell_anemia,
• early_stage,
• mononucleosis,
• endometrial_polyp,
• cancer,
• epilepsy,
• polio,
• hypertension,
• lupus,
• cardiac_failure,
• cerebrovascular_ischemia,
• hiv_infection,
• bone_cancer,
• lump,
• degenerative_disease,
• attention_deficit,
• abdominal_condition,
• thyrotoxicosis,
• phobia,
• preclinical_cancer,
• connective-tissue_disease,
• cardiac_arrhythmia,
• advanced_malignancy,
• addiction,
• infection,
• thyroid_problem,
• lymphoma,
• bipolar_disorder,
• amblyopia,
• cardiovascular_disease,
• rheumatoid_arthritis,
• chronic_depression,
• mood_disorder,
• leukaemia,
• vision_impairment,
• seizure_disorder,
• asthma,
• chronic_fatigue,
• social_phobia,
• anemia,
• hyperactivity,
• eczema,
• vascular_disease,
• arthritis,
• hypothyroidism,
• headache,
• ear_infection,
• affective_disorder,
• neck_pain,
• gastrointestinal_disease,
• von-willebrand_disease,
• nausea,
• hematologic_disorder,
• allergy,
• chronic_bronchitis,
• cardiomyopathy,
• tumor,
• dizziness,
• thyroid_disease,
• leukemia,
• latent_cancer,
• angina,
• glaucoma,
• pain,
• anxiety,
• mental_health,
• immunodeficiency,
• cataract,