ICD-10-CM 2027
ICD-10 code for thumb
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Thumb”. Page updated September 29, 2026.
About coding thumb
The official ICD-10-CM index doesn't give a single default code for thumb; the code depends on the details below.
More specific thumb codes (official index)
- sucking (child problem) F98.8 — Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
Common questions about thumb ICD-10 codes
What is the ICD-10 code for sucking thumb?
- F98.8 — Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence.