Page 



Field E: Organism or Pathological Condition Treated; Introduction 26 



Taxonomy Code (Test Organism) 27 



Tumor Code 



List of Tumors and Tumor Types with Code Symbols Assigned 68 



Special List of Symbols for Anatomical Structures, to be used 



only for Construction of Symbols for Tumors 78 



Pathology Code 



Representative List of Pathologies with Code Symbols Assigned 80 



Causes of Disease; Disease Etiology Code Symbols, to be used 



for Construction of Symbols for Non-infectious Pathologies 83 



Field F: Sex and Stage of Development of the Test Organism; Miscellaneous 



Information Concerning Tumors 88 



Fields G-1 and G-2: Pretreatment or Experimental State of the Test Organism 



or of the Organ, Tissue, or Cell of the Test Organism 94 



Fields H-1 and H-2: Gross Anatomy; Primary Anatomical and Secondary 



Anatomical Structures 98 



Field I: Tissues, Cells, and Fluids Ill 



Field J: Host Organism; Test Environment 114 



Field K: Sex and Stage of Development of the Host Organism 123 



Field L: Pretreatment or Experimental State of the Host Organism or of 

 the Organ, Tissue, or Cell (of the Host Organism) which is 

 the Site of the Parasite, Non-infectious Pathology, or Tumor 124 



Field M: Concentration of the Test Compound when Applied 128 



Field N: Quantity of the Test Compound Applied 130 



Field O: Dosage Frequency; Sequence of Administration of the 



Secondary Compound and the Test Compound 132 



Field P: Duration of Treatment; Time between Administration of 



the Test Compound and a Secondary Compound 133 



Field Q: Size of Inoculum or Implant 134 



Field R: Time of Treatment Relative to Inoculation, Tumor Implantation, 



Sensitization, or Incitation of Non-infectious Pathology 135 



Field S: Route and Manner of Administration of the Inoculum or Implant 

 (Field S-1), of the Secondary Compound (Field S-2), and of 

 the Test Compound (Field S-3) 136 



Field T-1: Action of the Test Compound on the Biological State, 



Quality, or Process Coded in Field T-2 141 



Field T-2: Biological State, Quality, or Process Acted on or 



Produced by the Test Compound or Secondary Compound 144 



Enzyme Code 163 



