Version July 2025
| Category | BMD |
| Normal | A value for BMD within 1.0 SD of the young adult female reference mean (T-score greater than or equal to –1.0). |
| Low bone mass (osteopenia) | A value for BMD more than 1.0 but less than 2.5 SD below the young adult female reference mean (T-score less than –1.0 and greater than –2.5). |
| Osteoporosis | A value for BMD 2.5 or more SD below the young adult female reference mean (T-score less than or equal to –2.5). |
| Severe (established) osteoporosis | A value for BMD more than 2.5 SD below the young adult female reference mean in the presence of one or more fragility fractures. |
