blood disorder

NOUN
14 LETTERS · STARTS WITH B

blood disorder is a valid 14-letter word worth 18 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3L1O1O1D2D2I1S1O1R1D2E1R1
3 + 1 + 1 + 1 + 2 + 0 + 2 + 1 + 1 + 1 + 1 + 2 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does blood disorder mean?