| R50 |
| Fever of other and unknown origin |
| R51 |
| Headache |
| R52 |
| Pain, unspecified |
| R53 |
| Malaise and fatigue |
| R54 |
| Age-related physical debility |
| R55 |
| Syncope and collapse |
| R56 |
| Convulsions, not elsewhere classified |
| R57 |
| Shock, not elsewhere classified |
| R58 |
| Hemorrhage, not elsewhere classified |
| R59 |
| Enlarged lymph nodes |
| R60 |
| Edema, not elsewhere classified |
| R61 |
| Generalized hyperhidrosis |
| R62 |
| Lack of expected normal physiological development in childhood and adults |
| R63 |
| Symptoms and signs concerning food and fluid intake |
| R64 |
| Cachexia |
| R65 |
| Symptoms and signs specifically associated with systemic inflammation and infection |
| R68 |
| Other general symptoms and signs |
| R69 |
| Illness, unspecified |