--just to give yourself a little background on the condition and its somewhat deceptive name:
Lupus anticoagulant - Wikipedia.
Frequently Asked Questions About Antiphospholipid Syndrome
I don't have a lot of time today, but the short answer is yes, there are numerous autoimmune conditions along the vascular anti-nuclear antibody spectrum that can result in many of the symptoms you are reporting.
Immune Neuropathies: Axonal