| TA partial code | Hierarchy title | Items | Refs | 
| 13 | Systema lymphoideum | 217 | 12 | 
| 13.0 | Systema lymphoideum | 1 | 0 | 
| 13.0.00 | Systema lymphoideum | 1 | 0 | 
| 13.1 | Organa lymphoidea primaria | 8 | 0 | 
| 13.1.00 | Organa lymphoidea primaria | 1 | 0 | 
| 13.1.01 | Medulla ossium | 1 | 0 | 
| 13.1.02 | Thymus | 6 | 0 | 
| 13.2 | Organa lymphoidea secundaria | 46 | 11 | 
| 13.2.00 | Organa lymphoidea secundaria | 1 | 0 | 
| 13.2.01 | Splen | 22 | 0 | 
| 13.2.02 | Anulus lymphoideus pharyngis | 14 | 11 | 
| 13.2.03 | Nodus lymphoideus | 9 | 0 | 
| 13.3 | Nodi lymphoidei regionales | 162 | 1 | 
| 13.3.00 | Nodi lymphoidei regionales | 39 | 1 | 
| 13.3.01 | Nodi lymphoidei membri superioris | 14 | 0 | 
| 13.3.02 | Nodi lymphoidei thoracis | 18 | 0 | 
| 13.3.03 | Nodi lymphoidei abdominis | 45 | 0 | 
| 13.3.04 | Nodi lymphoidei pelvis | 30 | 0 | 
| 13.3.05 | Nodi lymphoidei membri inferioris | 16 | 0 | 
| Entries: 19 | Subchapters: 4 | Sections: 14 | Date: 28.01.2013 |