| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| Mild Encephalopathy (Stage 1) | Mild Encephalopathy (Stage 1) | Hyperalertness, hyper-reflexia, dilated pupils, tachycardia, absence of seizures | ||
| Moderate Encephalopathy (Stage 2) | Moderate Encephalopathy (Stage 2) | Lethargy, hyper-reflexia, miosis, bradycardia, seizures, hypotonia with weak suck and Moro | ||
| Severe Encephalopathy (Stage 3) | Severe Encephalopathy (Stage 3) | Stupor, flaccidity, small to midposition pupils which react poorly to light, decreased stretch reflexes, hypothermia and absent Moro. |