This code system http://hl7.org/fhir/goal-category defines the following codes:

CodeDisplayDefinition
dietaryDietaryGoals related to the consumption of food and/or beverages.
safetySafetyGoals related to the personal protection of the subject.
behavioralBehavioralGoals related to the manner in which the subject acts.
nursingNursingGoals related to the practice of nursing or established by nurses.
physiotherapyPhysiotherapyGoals related to the mobility and motor capability of the subject.