Entry
O button (blood type)
The o button (blood type) emoji depicts a red O button and represents blood type O. It is used for blood type O.
It belongs to the symbols group.
Reviewed by Chad Solomon · Updated 8 June 2026
- Character
- Codepoint
- U+1F17E
- Version
- Emoji 0.6
- Year added
- 2010
- Category
- Symbols
- Tags
- bloodbuttonotype
