1.1
SYSTEM ORGAN CLASS TERM (SOC)
1.2
SYSTEM ORGAN CLASS CODE (SOC)
1.3
HIGH LEVEL GROUP TERM (HLGT)
1.4
HIGH LEVEL GROUP CODE (HLGT)
1.5
HIGH LEVEL TERM (HLT)
1.6
HIGH LEVEL CODE (HLT)
1.7
PREFERRED TERM (PT)
1.8
PREFERRED CODE (PT)
1.9
LOWEST LEVEL TERM (LLT)
1.10
LOWEST LEVEL CODE (LLT)
1.11
MEDDRA VERSION