The Rai Staging System stage.
National Codes:
| CODE | STAGE | DESCRIPTION |
| 0 | 0 | PLATELETS COUNT greater than 99 and HAEMOGLOBIN CONCENTRATION (GRAMS PER LITRE) greater than 109 and no lymphadenopathy, hepatomegaly or splenomegaly |
| 1 | l | PLATELETS COUNT greater than 99 and HAEMOGLOBIN CONCENTRATION (GRAMS PER LITRE) greater than 109 and any lymphadenopathy |
| 2 | ll | Hepatomegaly or splenomegaly |
| 3 | lll | HAEMOGLOBIN CONCENTRATION (GRAMS PER LITRE) less than 110 |
| 4 | lV | PLATELETS COUNT less than 100 |
This attribute is also known by these names:
| Context | Alias |
|---|---|
| plural | RAI STAGES |
| fullname | RADIOACTIVE IODINE STAGE |