| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| Other, specify | Other, specify | Other, specify | ||
| Absolute brain volume (non-normalized) | Absolute brain volume (non-normalized) | Absolute brain volume (non-normalized) | ||
| Normalized brain volume (e.g., SIENAX) | Normalized brain volume (e.g., SIENAX) | Normalized brain volume (e.g., SIENAX) |