This value set has an inline code system http://hl7.org/fhir/v3/EntityRisk, which defines the following codes:
| Lvl | Code | Display | Definition |
| 1 | AGG | aggressive | A danger that can be associated with certain living subjects, including humans. |
| 1 | BIO | Biological | The dangers associated with normal biological materials. I.e. potential risk of unknown infections. Routine biological materials from living subjects. |
| 1 | COR | Corrosive | Material is corrosive and may cause severe injury to skin, mucous membranes and eyes. Avoid any unprotected contact. |
| 1 | ESC | Escape Risk | The entity is at risk for escaping from containment or control. |
| 1 | IFL | inflammable | Material is highly inflammable and in certain mixtures (with air) may lead to explosions. Keep away from fire, sparks and excessive heat. |
| 2 | EXP | explosive | Material is an explosive mixture. Keep away from fire, sparks, and heat. |
| 1 | INF | infectious | Material known to be infectious with human pathogenic microorganisms. Those who handle this material must take precautions for their protection. |
| 2 | BHZ | biohazard | Material contains microorganisms that is an environmental hazard. Must be handled with special care. |
| 1 | INJ | injury hazard | Material is solid and sharp (e.g. cannulas). Dispose in hard container. |
| 1 | POI | poison | Material is poisonous to humans and/or animals. Special care must be taken to avoid incorporation, even of small amounts. |
| 1 | RAD | radioactive | Material is a source for ionizing radiation and must be handled with special care to avoid injury of those who handle it and to avoid environmental hazards. |