Yes. For healthcare specialist services, referral from general practitioners or another speciality is required. For subsidised long-term care services, older adults have to be assessed as moderately or severely impaired via the Standardised Care Need Assessment Mechanism for Elderly Services (Legislative Council, 2017).

References:

Legislative Council. (2017). Support for Persons Suffering from Dementia and their Family Members. Hong Kong Retrieved from https://www.legco.gov.hk/yr17-18/english/panels/ws/papers/ws20171211cb2-452-6-e.pdf.