| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| Acute | Acute | Less than or equal to 1 day | ||
| Sub-acute | Sub-acute | More than 1 day but less than or equal to 7 days | ||
| Prolonged | Prolonged | More than or equal to 7 days but less than or equal to a month | ||
| Lengthy | Lengthy | More than a month |