| Y - Qualifiers 
 
        
          | Deleted term |  | Concept absorbed by |  
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    | Y07 - /pharmacology 
 Hierarchical 
      codes for qualifiers in MeSH begin with the letter Y. In DeCS their tree 
      structure is the same, but the hierarchical codes have other numbers and 
      start with the letter Q. See the tree 
      structure of the qualifiers.
 
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    | B - Organisms 
 
        
          | Deleted term |  | Concept absorbed by |  
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    | B01 - Eukaryota
 B04 - Viruses
 
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    | E - Analytical, Diagnostic and Therapeutic Techniques 
      and Equipment 
 
        
          | Deleted term |  | Concept absorbed by |  
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    | E02 - Therapeutics 
 E05 - Investigative Techniques
 
 
 
 
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    | F - Psychiatry and Psychology 
 
        
          | Deleted term |  | Concept absorbed by |  
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    | F03 - Mental Disorders 
 
 
 
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    | G - Phenomena and Processes 
 
        
          | Deleted term |  | Concept absorbed by |  
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    | G07 - Physiological Phenomena 
 
 
 
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    | J - Technology, Industry, Agriculture 
 
        
          | Deleted term |  | Concept absorbed by |  
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    | J02 - Food and Beverages 
 
 
 
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    | N - Health Care 
 
        
          | Deleted term |  | Concept absorbed by |  
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    | N02 - Health Care Facilities, Manpower, and Services 
 N05 - Health Care Quality, Access, and Evaluation
 
 N06 - Environment and Public Health
 
 
 
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    | SP - Public Health 
 
        
          | Deleted term |  | Concept absorbed by |  
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    | SP2 - Health Care (Public Health) 
 SP4 - Environmental Health
 
 
 
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    | VS - Health Surveillance 
 
        
          | Deleted term |  | Concept absorbed by |  
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    | VS2 - Health Surveillance of Products 
 VS3 - Health Surveillance of Health Services
 
 
 
 
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