Modification of the Rushton scoring system
| Factor category | Total score | Factor breakdown | Score |
|---|---|---|---|
| The maximum score was 500. | |||
| *Items included in the minimum accepted score; †a score of 50 was given for any of the following metabolic tests: frozen tissue, acyl carnitine screen, organic acid screen, skin fibroblast culture, or basic metabolic screen. | |||
| CSF, cerebrospinal fluid; PCR, polymerase chain reaction. | |||
| Weights and measures* | 80* | Body weight | 20 |
| Crown rump | 20 | ||
| Crown heel | 20 | ||
| Head circumference | 20 | ||
| Main organ weights* | 40* | Heart | 8 |
| Lungs | 8 | ||
| Liver | 8 | ||
| Kidney | 8 | ||
| Brain | 8 | ||
| Minor organ weights | 15 | Spleen | 5 |
| Adrenals | 5 | ||
| Thymus | 5 | ||
| Normal values | 20 | Heart, lungs, liver, kidney, brain | 4 each |
| Histology main organ* | 50* | Heart | 10 |
| Lungs | 10 | ||
| Liver | 10 | ||
| Kidney | 10 | ||
| Brain | 10 | ||
| Histology minor organ | 30 | Spleen | 10 |
| Adrenals | 10 | ||
| Thymus | 10 | ||
| Radiology | 100 | 100 | |
| Microbiology | 50 | Swabs | 20 |
| Blood culture | 10 | ||
| PCR | 10 | ||
| CSF | 10 | ||
| Biochemistry | 20 | 20 | |
| Toxicology* | 35* | 35 | |
| Virology | 10 | 10 | |
| Metabolic investigations†| 50 | 50 | |
| Total maximum score | 500 | 500 | |
| Minimum accepted score | 205 | 205 | |