Lupus is diagnosed by having 4 of 11 symptoms (see link below to Diagnosing Lupus). Blood work may be one of the 4, but you can have Lupus without
anything showing up in blood work.
Lynnwood, Lupus & Sjogren's Moderator, Dx: 2002DIAGNOSING LUPUS & HW's LUPUS 101
"Life is far too important to be taken seriously." - Oscar Wilde