Table 2.
Additional concussion codes.
| Diagnosis | OSIICS 15 | ICD-11 |
|---|---|---|
| Concussion with Criteria 1 video signs | HNC1 | NA07.0 |
| Concussion with Criteria 2 video signs | HNC2 | NA07.0 |
| Head impact (not concussion) with Criteria 2 video signs | HZC2 | NA07.0 |
| Concussion in a player with a concerning history | HNCH | NA07.0 |
| Concussion with no concerning history or signs | HNCN | NA07.0 |
| Concussion with delayed symptom presentation | HNCD | NA07.0 |
| Concussion with imaging abnormality | HNCA | NA07.0 |
| Concussion with abnormal biomarkers | HNCB | NA07.0 |
| Traumatic encephalopathy syndrome | HNCT | NA07.0Y |
Abbreviations: ICD = International Classification of Diseases; OSIICS = Orchard Sports Injury and Illness Classification System.