Table 11 Number of LR classes per hierarchy, sorted by number of LR classes

Qualifier value

177

SNOMED CT model component

43

Substance

39

Body structure

34

Clinical finding

32

Procedure

22

Observable entity

7

Physical object

5

Social context

5

Environment or geographical location

4

Organism

2

Pharmaceutical/biologic product

2

Event

1

Physical force

1

Record artifact

1

Special concept

1

Specimen

1

Staging and scales

1

Situation with explicit context

0