I am wondering if anyone knows if CMS accepts patient summaries that are given to the patient post an outpatient visit as a valid f2F document.

Oftentimes these summaries are part of the patient's chart and we are noticing 3rd party vendors are using them to abstract dx codes from them instead of abstracting the code from the actual visit progress note.

If so, could you please provide references that state that this type of document is correct.

(NOTE: I know hospital d/c summaries are acceptable)

thank you