The Provincial Language Service (PLS) is a program of PHSA that provides spoken language interpreting and written translation services to BC health authorities, as well as manages the contract for provincial medical Sign language interpreting. 

The service is provided through the Wavefront Centre, which operates the Medical Interpretation Services (MIS). 

MIS provides ASL interpreters and intervenors services for the deaf, deaf-blind and hard of hearing patient at no direct cost to clients or health care providers for services that fall under the Medicare Act and the Hospital Insurance Act. This service is provided following a 1997 Supreme Court of Canada ruling that sign language interpretation must be provided to Deaf patients in BC to comply with the Canadian Charter of Rights and Freedoms.

The service assists in creating equitable access to medical appointments for deaf, deaf-blind and hard of hearing patients, allowing greater access to communication with health care providers.