Suggest to break the one sentence into two.

Existing Wording:

This guide defines a framework for ordering any type of post acute services and provides for the inclusion of appropriate documentation to support the medical necessity of the orders to facilitate documentation for the purpose of refining the order and supporting appropriate billing .

Proposed Wording:

This guide defines a framework for ordering any type of post-acute services and provides for the inclusion of appropriate documentation to support the medical necessity of the orders. This facilitates the refinement of the order and supporting appropriate billing.