| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| Light microscopy (Toluidine blue staining) | Light microscopy (Toluidine blue staining) | Light microscopy (Toluidine blue staining) | ||
| Electron microscopy | Electron microscopy | Electron microscopy | ||
| Both - light microscopy and electron microscopy | Both - light microscopy and electron microscopy | Both - light microscopy and electron microscopy |