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: Diphenhydramine (C0012522)

Ancestor Paths (Parents/Root)

Ancestor Path 1 (Root Source: LIMIT)

  1. ... MAX DEPTH REACHED ... CUI: LIMIT / Source: LIMIT
  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. Hydrocarbons CUI: C0020242 / Source: MSH
  8. Hydrocarbons, Cyclic CUI: C0020248 / Source: MSH
  9. Hydrocarbons, Aromatic CUI: C0020245 / Source: MSH
  10. Benzene Derivatives CUI: C0005037 / Source: MSH
  11. Benzhydryl Compounds CUI: C0005046 / Source: MSH
  12. Diphenhydramine (START) CUI: C0012522 / Source: MSH

Ancestor Path 2 (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. Amines CUI: C0002508 / Source: MSH
  8. Ethylamines CUI: C0015069 / Source: MSH
  9. Diphenhydramine (START) CUI: C0012522 / Source: MSH

Descendant Paths (Children/Leaves)

Descendant Path 1 (Top Source: MSH)

  1. Diphenhydramine (START) CUI: C0012522 / Source: MSH
  2. Dimenhydrinate CUI: C0012381 / Source: MSH

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