The π ΎοΈ emoji indicates blood type O or the letter O in a red square. It is often used in medical contexts or to denote something with the letter O.
Usage example
I am a universal donor π ΎοΈ
We need π ΎοΈ blood at the hospital
βοΈ TechnicalβΌ
Unicode1F17E-FE0F
Shortcodes:o2:
NameNEGATIVE SQUARED LATIN CAPITAL LETTER O (CLDR)