When you apply for a grant online, you will be asked to choose one Research Activity code that best describes your research project. You should also choose up to 10 Subject Codes that describe your research project. Please see the list below to aid your selection online. 
Research Activity 
Research Activity codes are the UK Clinical Research Collaboration's standard codes. 
1.1   Underpinning research - Normal biological development
2.1   Disease aetiology - Biological factors 
2.2   Disease aetiology - Environmental factors 
2.3   Disease aetiology - Psychological, social, economic factors 
2.4   Disease aetiology - Observational studies, registries 
2.5   Disease aetiology - Epidemiological methods development 
3.1   Disease prevention - Altering personal risk 
3.2   Disease prevention - Altering environmental risk 
3.3   Disease prevention - Nutrition 
4.1   Detection, screening, diagnosis - Preclinical testing 
4.2   Detection, screening, diagnosis - Clinical evaluation 
5.1   Preclinical research - Drugs, including vaccines 
5.2   Preclinical research - Cell or gene therapy 
5.3   Preclinical research - Medical devices 
5.4   Preclinical research - Surgery 
5.6   Preclinical research - Psychological or behavioural 
6.1   Clinical trials (phase I-IV) - Drugs, including vaccines 
6.2   Clinical trials (phase I-IV) - Cell or gene therapy 
6.3   Clinical trials (phase I-IV) - Medical devices 
6.4   Clinical trials (phase I-IV) - Surgery 
6.6   Clinical trials (phase I-IV) - Psychological or behavioural 
7.1   Disease management - Individual care needs 
7.2   Disease management - End of life care 
7.3   Disease management - Education, guidelines 
8.1   Health Services research - Organisation and delivery 
8.2   Health Services research - Health and welfare economics 
Subject Codes
Subject Codes are the BHF specific research classifications. Up to 10 can be selected. 
Biology - Angiogenesis, vasculogenesis 
Biology - Cardiac myocytes 
Biology - Developmental biology 
Biology - Electrophysiology 
Biology - Endothelial cells 
Biology - Erythrocytes 
Biology - Genetics, genomics 
Biology - Leukocytes 
Biology - Neurones, neural control 
Biology - Platelets, coagulation 
Biology - Stem cells, progenitor cells 
Biology - Structural biology 
Biology - Systems biology 
Biology - Vascular smooth muscle cells 
Disease Process - Aneurysm 
Disease Process - Arrhythmia, fibrillation, sudden death 
Disease Process - Atherosclerosis 
Disease Process - Cardiac hypertrophy 
Disease Process - Cardiomyopathy 
Disease Process - Congenital heart disease 
Disease Process - Chronic heart failure 
Disease Process - Diabetes, metabolic syndrome 
Disease Process - Hypertension (systemic) 
Disease Process - Inflammation, immunity 
Disease Process - Lymphatic disease 
Disease Process - Myocardial ischemia, myocardial infarction 
Disease Process - Pulmonary hypertension 
Disease Process - Restenosis 
Disease Process - Stroke, cerebrovascular disease 
Disease Process - Thrombosis, coagulation 
Disease Process - Venous disease 
Risk Factors and Subgroups - Ageing 
Risk Factors and Subgroups - Cholesterol, lipids 
Risk Factors and Subgroups - Diet, Obesity 
Risk Factors and Subgroups - Ethnicity 
Risk Factors and Subgroups - Exercise 
Risk Factors and Subgroups - Fetal and child health 
Risk Factors and Subgroups - Pollution 
Risk Factors and Subgroups - Smoking 
Risk Factors and Subgroups - Women 
Treatments and Modalities - Ablation 
Treatments and Modalities - Angioplasty 
Treatments and Modalities - Assist devices 
Treatments and Modalities - Computation 
Treatments and Modalities - CT, PET 
Treatments and Modalities - Controlled trials 
Treatments and Modalities - Experimental medicine 
Treatments and Modalities - Gene therapy 
Treatments and Modalities - Heart valves 
Treatments and Modalities - ICDs 
Treatments and Modalities - Magnetic resonance 
Treatments and Modalities - Pacemakers 
Treatments and Modalities - Stem/progenitor cell therapy 
Treatments and Modalities - Stents 
Treatments and Modalities - Tissue engineering 
Treatments and Modalities - Transplantation 
Treatments and Modalities - Ultrasound 
Treatments and Modalities - Vascular grafts