| A - Anatomy 
 
         
          | Changed terms |  | Replaced-by |  
 | 
   
    | A11 - Cells 
 
 | 
   
    | C - Diseases 
 
         
          | Changed terms |  | Replaced-by |  
 | 
   
    | C05 - Musculoskeletal Diseases C06 - Digestive System Diseases
 C07 - Stomatognathic Diseases
 C16 - Congenital, Hereditary, and Neonatal Diseases 
      and Abnormalities
 C17 - Skin and Connective Tissue Diseases
 C18 - Nutritional and Metabolic Diseases
 C20 - Immune System Diseases
 
 
 | 
   
    | D - Chemicals and Drugs 
 
         
          | Changed terms |  | Replaced-by |  
 | 
   
    | D02 - Organic Chemicals D03 - Heterocyclic Compounds
 D06 - Hormones, Hormone Substitutes, and Hormone Antagonists
 D08 - Enzymes and Coenzymes
 D10 - Lipids
 D12 - Amino Acids, Peptides, and Proteins
 D13 - Nucleic Acids, Nucleotides, and Nucleosides
 D23 - Biological Factors
 D27 - Chemical Actions and Uses
 
 
 | 
   
    | E - Analytical, Diagnostic and Therapeutic Techniques 
      and Equipment 
 
         
          | Changed terms |  | Replaced-by |  
 | 
   
    | E01 - Diagnosis E02 - Therapeutics
 E05 - Investigative Techniques
 E07 - Equipment and Supplies
 
 
 | 
   
    | F - Psychiatry and Psychology 
 
         
          | Changed terms |  | Replaced-by |  
 | 
   
    | F01 - Behavior and Behavior Mechanisms F02 - Psychological Phenomena and Processes
 
 
 | 
   
    | G - Phenomena and Processes 
 
         
          | Changed terms |  | Replaced-by |  
 | 
   
    | G05 - Genetic Phenomena 
 
 | 
   
    | H - Disciplines and Occupations 
 
         
          | Changed terms |  | Replaced-by |  
 | 
   
    | H02 - Health Occupations 
 
 
 | 
   
    | K - Humanities 
 
         
          | Changed terms |  | Replaced-by |  
 | 
   
    | K01 - Humanities 
 
 
 | 
   
    | N - Health Care 
 
         
          | Changed terms |  | Replaced-by |  
 | 
   
    | N02 - Health Care Facilities, Manpower, 
      and Services N04 - Health Services Administration
 N05 - Health Care Quality, Access, and Evaluation
 N06 - Environment and Public Health
 
 
 | 
   
    | SP - Public Health 
 
         
          | Changed terms |  | Replaced-by |  
 | 
   
    | SP2 - Health Care (Public Health) SP3 - Population Studies in Public Health
 SP4 - Environmental Health
 SP5 - Epidemiology and Biostatistics
 SP8 - Disasters
 SP9 - Health Law
 
 
 |