Life insurance companies review your risk for coverage based on several factors including your age and health.
The underwriter then determines if you will receive a preferred rate (better than average), a standard rate (average) or a rated policy which means you present a greater than average risk to the life insurance company of paying out a claim due to the risks thou present; such as, poor health or a chronic health condition.
Since lupus can contribute to early death you would most likely be offered a rated life insurance policy which charges higher than average rates for your life insurance coverage.
You may want to consider contacting a local independent life insurance agent who specializes in placing life insurance for high risk people.