International Classification of Functioning, Disability and Health (ICF)—categories of the component “Body structures” included in the Comprehensive ICF Core Set for ankylosing spondylitis
| ICF code | ICF category title | Point of decision in voting cycle* |
| Chapter 2 Eye, ear and related structures | ||
| s220 | Structure of eyeball | Cycle 1; plenary vote |
| s2202 | Iris | Cycle 2; vote2 |
| Chapter 4 Structures cardiovascular, immunological or respiratory system | ||
| s430 | Structure of respiratory system | Cycle 1; vote1 |
| s4302 | Thoracic cage | Cycle 2; vote2 |
| Chapter 7 Structures related to movement | ||
| s-nc* | Postural change | |
| s720 | Structure of shoulder region | Cycle 1; vote1 |
| s740 | Structure of pelvic region | Cycle 1; vote1 |
| s750 | Structure of lower extremity | Cycle 1; vote1 |
| s75001 | Hip joint | Cycle 2; vote2 |
| s75011 | Knee joint | Cycle 2; plenary |
| s75021 | Ankle joint and joints of foot and toes | Cycle 2; plenary |
| s760 | Structure of trunk | Cycle 1; vote1 |
| s7600 | Structure of vertebral column | Cycle 2; vote2 |
| s76000 | Cervical vertebral column | Cycle 2; vote2 |
| s76001 | Thoracic vertebral column | Cycle 2; vote2 |
| s76002 | Lumbar vertebral column | Cycle 2; vote2 |
| s770 | Additional musculoskeletal structures related to movement | Cycle 1; vote1 |
| s7700 | Bones | Cycle 2; vote2 |
| s7702 | Muscles | Cycle 2; plenary |
| s7703 | Extra-articular ligaments, fasciae, extramuscular aponeuroses, retinacula, septa, bursae, unspecified | Cycle 2; vote2 |
*Categories that would not have been selected based on the individual votes; s-nc, category not covered in the component body structures; vote1, category selected in the first working group discussions of a cycle; vote2, category selected in the second working group discussions of a cycle; plenary vote, category selected during the plenary discussion.