| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| 0 | Never | C70543 | NCI Thesaurus | Not ever; at no time in the past (or future). |
| 1 | Almost Never | C95143 | NCI Thesaurus | A subjective answer that something rarely happens. |
| 2 | Sometimes | C90025 | NCI Thesaurus | From time to time, but not continually or always. |
| 3 | Often | C91247 | NCI Thesaurus | On many occasions, or in many situations. |
| 4 | Almost Always | C119986 | NCI Thesaurus | A response indicating that something happens or happened almost all of the time. |