Naming Convention for Digits of Hand and Foot

Fully specified names and preferred names should use proper names of digits of hand and foot. The names by order of digits can be added as optional synonyms. The order of fingers is different from the order of digits of hand because the thumb is not a finger in SNOMED CT. Therefore, the order of the finger should not be used to avoid potential confusion.

Naming convention for the structure of digits of hand

FSN	PT	SYN	SYN
Index finger structure (body structure)	Index finger structure	Second digit of hand	Index finger
Little finger structure (body structure)	Little finger structure	Fifth digit of hand	Little finger
Middle finger structure (body structure)	Middle finger structure	Third digit of hand	Middle finger
Ring finger structure (body structure)	Ring finger structure	Fourth digit of hand	Ring finger
Thumb structure (body structure)	Thumb structure	First digit of hand	Thumb

Naming convention for the structure of digits of foot

FSN	PT	SYN	SYN
Great toe structure (body structure)	Great toe structure	First digit of foot	First toe
Second toe structure (body structure)	Second toe structure	Second digit of foot	Second toe
Third toe structure (body structure)	Third toe structure	Third digit of foot	Third toe
Fourth toe structure (body structure)	Fourth toe structure	Fourth digit of foot	Fourth toe
Little toe structure (body structure)	Little toe structure	Fifth digit of foot	Fifth toe

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