Clue: Rare blood designation

Answer: TYPEAB

Length: 6

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Similar Clues:

• Uncommon blood designation (TYPEAB with 6 letters)
• Universal donor's blood designation (TYPEO with 5 letters)
• Blood designation, briefly (ONEG with 4 letters)
• Rarest of the main blood types in the U.S. (ABNEGATIVE with 10 letters)
• Most common blood designation (TYPEO with 5 letters)
• Rare blood type: Abbr. (ANEG with 4 letters)
• Rare blood type, for short (e.g. BNEG with 4 letters)
• Blood designation, for short (ONEG with 4 letters)
• Rare blood type, informally (BNEG with 4 letters)
• Rare blood classification (TYPEAB with 6 letters)