Is it possible to have lupus arthritis without systemic lupus?

Yes. It's possible to start off with mild or limited symptoms and only arthritis without systemic lupus. But then the disease could evolve and include many organ systems and become systemic. Important to get evaluated and tested if other symptoms such as fever, fatigue, muscle pain, rash, hair loss also start to occur.
No. An inflammatory arthritis is one component of systemic lupus. In some individuals it may be the only symptom of the disease but that person still has systemic lupus.

Related Questions

Is it possible to have lupus arthritis but not systemic lupus disease?

Yes. Lupus erythematosus does not always involve internal organs (systemic). It sometimes only affects the skin and joints. Forms that do so are scle, subacute cutaneous lupus erythematosus, and sometimes dle, discoid lupus erythematosus. Read more...