--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