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: Codeine (C0009214)

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: **504** | Descendant Raw Count: **8**)

Ancestor Paths (Parents/Root)

Ancestor Path 1 (Root Source: LIMIT)

  1. ... MAX DEPTH REACHED ... CUI: LIMIT / Source: LIMIT
  2. Topical Descriptor CUI: C1256741 / Source: MSH
  3. Chemicals and Drugs (MeSH Category) CUI: C0007995 / Source: MSH
  4. Organic Chemicals CUI: C0029224 / Source: MSH
  5. Hydrocarbons CUI: C0020242 / Source: MSH
  6. Hydrocarbons, Cyclic CUI: C0020248 / Source: MSH
  7. Hydrocarbons, Aromatic CUI: C0020245 / Source: MSH
  8. Polycyclic Aromatic Hydrocarbons CUI: C0032458 / Source: MSH
  9. Phenanthrenes CUI: C0031368 / Source: MSH
  10. Morphinans CUI: C0026548 / Source: MSH
  11. Morphine Derivatives CUI: C0026553 / Source: MSH
  12. Codeine (START) CUI: C0009214 / Source: MSH

Ancestor Path 2 (Root Source: LIMIT)

  1. ... MAX DEPTH REACHED ... CUI: LIMIT / Source: LIMIT
  2. CUI: - / Source: MSH
  3. CUI: - / Source: MSH
  4. MeSH Descriptors CUI: C1256739 / Source: MSH
  5. Topical Descriptor CUI: C1256741 / Source: MSH
  6. Chemicals and Drugs (MeSH Category) CUI: C0007995 / Source: MSH
  7. Polycyclic Compounds CUI: C0032456 / Source: MSH
  8. Polycyclic Aromatic Hydrocarbons CUI: C0032458 / Source: MSH
  9. Phenanthrenes CUI: C0031368 / Source: MSH
  10. Morphinans CUI: C0026548 / Source: MSH
  11. Morphine Derivatives CUI: C0026553 / Source: MSH
  12. Codeine (START) CUI: C0009214 / 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. Morphine Derivatives CUI: C0026553 / Source: MSH
  10. Codeine (START) CUI: C0009214 / Source: MSH

Ancestor Path 4 (Root Source: LIMIT)

  1. ... MAX DEPTH REACHED ... CUI: LIMIT / Source: LIMIT
  2. CUI: - / Source: MSH
  3. CUI: - / Source: MSH
  4. MeSH Descriptors CUI: C1256739 / Source: MSH
  5. Topical Descriptor CUI: C1256741 / Source: MSH
  6. Chemicals and Drugs (MeSH Category) CUI: C0007995 / Source: MSH
  7. Heterocyclic Compounds CUI: C0019398 / Source: MSH
  8. Alkaloids CUI: C0002062 / Source: MSH
  9. Opiate Alkaloids CUI: C0221793 / Source: MSH
  10. Morphinans CUI: C0026548 / Source: MSH
  11. Morphine Derivatives CUI: C0026553 / Source: MSH
  12. Codeine (START) CUI: C0009214 / Source: MSH

Ancestor Path 5 (Root Source: LIMIT)

  1. ... MAX DEPTH REACHED ... CUI: LIMIT / Source: LIMIT
  2. CUI: - / Source: MSH
  3. CUI: - / Source: MSH
  4. MeSH Descriptors CUI: C1256739 / Source: MSH
  5. Topical Descriptor CUI: C1256741 / Source: MSH
  6. Chemicals and Drugs (MeSH Category) CUI: C0007995 / Source: MSH
  7. Heterocyclic Compounds CUI: C0019398 / Source: MSH
  8. Heterocyclic Compounds, Fused-Ring CUI: C4277694 / Source: MSH
  9. Heterocyclic Compounds, 4 or More Rings CUI: C0019402 / Source: MSH
  10. Morphinans CUI: C0026548 / Source: MSH
  11. Morphine Derivatives CUI: C0026553 / Source: MSH
  12. Codeine (START) CUI: C0009214 / Source: MSH

Ancestor Path 6 (Root Source: MSH)

  1. Morphine Derivatives CUI: C0026553 / Source: MSH
  2. Codeine (START) CUI: C0009214 / Source: MSH

Descendant Paths (Children/Leaves)

Descendant Path 1 (Top Source: MSH)

  1. Codeine (START) CUI: C0009214 / Source: MSH
  2. Hydrocodone CUI: C0020264 / Source: MSH

Descendant Path 2 (Top Source: MSH)

  1. Codeine (START) CUI: C0009214 / Source: MSH
  2. Oxycodone CUI: C0030049 / Source: MSH

Unique Ancestor Paths Found: 6 | Unique Descendant Paths Found: 2 | Max Depth: 10 levels.