LinkedIn Pinpoint #890 answer — October 7, 2026
Unofficial hints. Not affiliated with LinkedIn.
Hints get stronger as you go. The answer is always the last step — nothing is revealed until you tap.
1Medical classificationShow hint
Different people need different versions of something hospitals keep in storage for emergencies.
2Donation compatibilityShow hint
Some people can give to anyone, while others can only receive from a limited group - it depends on what runs through your veins.
3Rh factor includedShow hint
These markers are determined at birth and include a letter plus a sign showing whether a protein is present or absent.
4Today's Pinpoint categoryShow answer
The category is: Blood types
The clue words were: A+, B-, AB+, O+ (the most common), O- (universal red cell donor).
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How to play Pinpoint
Pinpoint shows you up to five words, one at a time, that all belong to the same category. Guess the category in as few words as possible — the fewer clues you need, the better your score.