I appreciate Escorpizo's comments on my editorial on the Medicare mandate for claims-based functional data collection.1 Although the editorial did not mention the International Classification of Functioning, Disability and Health (ICF) directly, Escorpizo is absolutely on the mark in drawing associations between the mandated functional status reporting system and the ICF. The general categories of functional impairment (G codes) that therapists can use to meet Centers for Medicare and Medicaid Services (CMS) requirements are certainly based on the ICF taxonomy and represent aspects of functioning that are addressed in rehabilitation treatment. That said, to satisfy the CMS mandate, therapists must report on and track only …