ICD-10-CM > R00-R99 > R10-R19 > R13 R13 Aphagia and dysphagia Non-Billable/Non-Specific Codes R13.0AphagiaR13.1DysphagiaR13.10Dysphagia, unspecifiedR13.11Dysphagia, oral phaseR13.12Dysphagia, oropharyngeal phaseR13.13Dysphagia, pharyngeal phaseR13.14Dysphagia, pharyngoesophageal phaseR13.19Other dysphagia