F.R.E. 803(4)

Rule 803. Exceptions to the Rule Against Hearsay—Regardless of Whether the Declarant Is Available as a Witness

The following are not excluded by the rule against hearsay, regardless of whether the declarant is available as a witness:

…

(4) Statement Made for Medical Diagnosis or Treatment.

A statement that:

(A) is made for—and is reasonably pertinent to—medical diagnosis or treatment; and

(B) describes medical history; past or present symptoms or sensations; their inception; or their general cause.