| AnswerList | PhenX10_29_maintain erection | LL1218-8 |
| AnswerList | PhenX12_72_adapt to 3H sleep loss | LL1342-6 |
| AnswerList | PHQ.10 | LL359-1 |
| AnswerList | Difficult - Very to Not at all w/code | LL6065-8 |
| AnswerList | Level of ease | LL6170-6 |
| STATUS | NotStated |
| LONG_COMMON_NAME | en-US | Very difficult |
LOINC Version: 2.81