Answer
This means that the adrenal cortex is damaged by infection, autoimmune attacks, by cancer or some other pathological agent. This is primaty adrenal insufficiency or Addison's disease
Work Step by Step
If the response of the adrenals is subpar for instance if the cortisol produced by stimulation is less than double the amount measured as base line then it is very likely that the patient has Addison's disease.
