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: Dextromethorphan (C0011816)

Ancestor Paths (Parents/Root)

Ancestor Path 1 (Root Source: LIMIT)

  1. ... MAX DEPTH REACHED ... CUI: LIMIT / Source: LIMIT
  2. MeSH Descriptors CUI: C1256739 / Source: MSH
  3. Topical Descriptor CUI: C1256741 / Source: MSH
  4. Chemicals and Drugs (MeSH Category) CUI: C0007995 / Source: MSH
  5. Organic Chemicals CUI: C0029224 / Source: MSH
  6. Hydrocarbons CUI: C0020242 / Source: MSH
  7. Hydrocarbons, Cyclic CUI: C0020248 / Source: MSH
  8. Hydrocarbons, Aromatic CUI: C0020245 / Source: MSH
  9. Polycyclic Aromatic Hydrocarbons CUI: C0032458 / Source: MSH
  10. Phenanthrenes CUI: C0031368 / Source: MSH
  11. Morphinans CUI: C0026548 / Source: MSH
  12. Dextromethorphan (START) CUI: C0011816 / 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. Polycyclic Compounds CUI: C0032456 / Source: MSH
  7. Polycyclic Aromatic Hydrocarbons CUI: C0032458 / Source: MSH
  8. Phenanthrenes CUI: C0031368 / Source: MSH
  9. Morphinans CUI: C0026548 / Source: MSH
  10. Dextromethorphan (START) CUI: C0011816 / Source: MSH

Ancestor Path 3 (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. Heterocyclic Compounds CUI: C0019398 / Source: MSH
  7. Heterocyclic Compounds, Bridged-Ring CUI: C0019403 / Source: MSH
  8. Morphinans CUI: C0026548 / Source: MSH
  9. Dextromethorphan (START) CUI: C0011816 / Source: MSH

Ancestor Path 4 (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. Heterocyclic Compounds CUI: C0019398 / Source: MSH
  7. Alkaloids CUI: C0002062 / Source: MSH
  8. Opiate Alkaloids CUI: C0221793 / Source: MSH
  9. Morphinans CUI: C0026548 / Source: MSH
  10. Dextromethorphan (START) CUI: C0011816 / Source: MSH

Ancestor Path 5 (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. Heterocyclic Compounds CUI: C0019398 / Source: MSH
  7. Heterocyclic Compounds, Fused-Ring CUI: C4277694 / Source: MSH
  8. Heterocyclic Compounds, 4 or More Rings CUI: C0019402 / Source: MSH
  9. Morphinans CUI: C0026548 / Source: MSH
  10. Dextromethorphan (START) CUI: C0011816 / 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. Dextromethorphan (START) CUI: C0011816 / Source: MSH

Unique Ancestor Paths Found: 5 | Unique Descendant Paths Found: 1 | Max Depth: 10 levels.