Table 1.

Comprehensive ICF core set for IBD

	ICF code and level				ICF category
	1st	2nd	3rd	4th
Body functions (b)		b130			Energy and drive functions
		b134			Sleep functions
		b152			Emotional functions
			b1801		Body image
				b28012	Pain in stomach or abdomen
				b28016	Pain in joints
		b430			Haematological system functions
		b435			Immunological system functions
		b515			Digestive functions
		b525			Defecation functions
		b530			Weight maintenance functions
		b535			Sensations associated with the digestive system
		b545			Water, mineral and electrolyte balance functions
		b640			Sexual functions
		b660			Procreation functions
		b810			Protective functions of the skin
Body structures (s)		s540			Structure of intestine
		s770			Additional musculoskeletal structures related to movement
Activities and participation (d)		d230			Carrying out daily routine
			d5301		Regulating defecation
		d570			Looking after one's health
	d7				Interpersonal interactions and relationships
		d810–d839			Education
		d840–d859			Work and employment
		d920			Recreation and leisure
Environmental factors (e)		e110			Products or substances for personal consumption
			e1501		Design, construction and building products and technology for gaining access to facilities inside buildings for public use
		e310			Immediate family
		e320			Friends
		e355			Health professionals
		e410			Individual attitudes of immediate family members
		e420			Individual attitudes of friends
		e425			Individual attitudes of acquaintances, peers, colleagues, neighbours and community members
		e450			Individual attitudes of health professionals
		e570			Social security services, systems and policies
		e580			Health services, systems and policies

IBD, inflammatory bowel disease; ICF, International Classification of Functioning, Disability and Health.