In order to be eligible to participate in this study, an individual must meet all of the following criteria: - Patients must be age 2 years or older if procedures or treatment are required. - Patients at risk, suspected of having, have a history of, or currently have a diagnosed hearing, balance, taste, smell, voice, speech, language, and other ENT disorder. - An NIDCD clinical investigator and PI determines it is in the interest of the patient/individual and NIDCD CRP for the subject to undergo consult, treatment or follow-up at the NIDCD/NIH - Patient or their Legally Authorized Representative is able to provide informed consent. The consent form will be signed by parents or guardians of patients under the age of 18. - A subset of enrolled participants with known or suspected PIEZO2-related sensory dysfunction may be asked to participate in the remote taste and oral somatosensory testing procedures. Participation in this component is optional and not required for enrollment or continued participation in the parent protocol.

An individual who meets any of the following criteria will be excluded from participation in this study: - Candidates who do not meet the inclusion criteria. - Candidates who in the opinion of the PI and clinical team have medical or unstable conditions for which NIDCD and CC consultative services are unable to provide or support optimal care Participants without known or suspected PIEZO2-related sensory dysfunction will not be asked to complete the sensory testing component. Additional exclusion criteria for taste testing only procedures include: - Active oral sores, open cuts, or significant oral pain - Recent oral surgery or dental procedures within the past 7 days - Known allergy or hypersensitivity to tannins or polyphenols - Acute upper respiratory infection or conditions that may interfere with taste perception