Entry
B button (blood type)
The b button (blood type) emoji depicts a red B button and represents blood type B. It is used for blood type B, and sometimes as the letter B.
It belongs to the symbols group.
Reviewed by Chad Solomon · Updated 8 June 2026
- Character
- Codepoint
- U+1F171
- Version
- Emoji 0.6
- Year added
- 2010
- Category
- Symbols
- Tags
- bbloodbuttontype
