noncontributory

Describing a pension plan in which the members do not provide their own direct contributions (that is, the employer makes all monetary contributions; the employees make no monetary contributions, whereas their service toward the company's a

Not being a contributing factor (to a decision, analysis, or situation), such as not contributing to a medical diagnosis.

Although medical history is always relevant to diagnosis, it is sometimes noncontributory, shedding no light on possible causes of symptoms.