UMLS Hierarchy Tracer (Ancestors & Descendants)

Enter a Concept ID (CUI) to view its parent and child hierarchies. Select a preferred language for display names; **English will be used as a fallback**.

Displaying names in **English (ENG)** (with English fallback).

Target Concept: Busulfan (C0006463)

Path Limit Reached (500 paths):

Hierarchy traversal was stopped for the capped direction(s). **All first-level children/parents are now guaranteed to be included,** but paths beyond Level 1 may be incomplete. (Ancestor Raw Count: **503** | Descendant Raw Count: **0**)

Ancestor Paths (Parents/Root)

Ancestor Path 1 (Root Source: MSH)

  1. CUI: - / Source: MSH
  2. CUI: - / Source: MSH
  3. MeSH Descriptors CUI: C1256739 / Source: MSH
  4. Topical Descriptor CUI: C1256741 / Source: MSH
  5. Chemicals and Drugs (MeSH Category) CUI: C0007995 / Source: MSH
  6. Organic Chemicals CUI: C0029224 / Source: MSH
  7. Alcohols CUI: C0001975 / Source: MSH
  8. Glycols CUI: C0017951 / Source: MSH
  9. Butylene Glycols CUI: C0006475 / Source: MSH
  10. Busulfan (START) CUI: C0006463 / Source: MSH

Ancestor Path 2 (Root Source: MSH)

  1. Mesylates CUI: C0025619 / Source: MSH
  2. Busulfan (START) CUI: C0006463 / Source: MSH

Descendant Paths (Children/Leaves)

This concept appears to be a Leaf node in the available hierarchies (showing only the starting concept).

Descendant Path 1 (Top Source: MSH)

  1. Busulfan (START) CUI: C0006463 / Source: MSH

Unique Ancestor Paths Found: 2 | Unique Descendant Paths Found: 1 | Max Depth: 10 levels.