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. 2020 Feb 18;8(2):2325967120902908. doi: 10.1177/2325967120902908

TABLE 8.

Recommended Categories for Etiology of Illnessesa

Etiology ICD-11 OSIICS SMDCS Note
Allergic (22) MxA 71
Environmental (exercise related) (23) MxE 72 Heat illness, hypothermia, hyponatremia, dehydration
Environmental (nonexercise) (22/7) MxS 73 Includes sleep/wake, sunburn
Immunological/inflammatory (04) MxY 74
Infection 01 MxI 75 Viral, bacterial, parasitic
Neoplasm 02 MxB 76
Metabolic/nutritional 05 MxN 77
Thrombotic/hemorrhagic (11/03) MxV 78
Degenerative or chronic condition MxC 79 Chronic acquired conditions
Developmental anomaly 20 MxJ 80 Includes congenital conditions
Drug-related/poisoning 22 MxD 81 Includes pharmaceutical, illicit
Multiple MxX 82
Unknown or not specified MxZ 83

aICD-11, International Classification of Diseases–11th Revision; OSIICS, Orchard Sports Injury and Illness Classification System; SMDCS, Sport Medicine Diagnostic Coding System.