| Code | Description | TFR Code | TFR Description | NCA Code | NCA Description |
|---|---|---|---|---|---|
| DCA | Bronchodilators | 302 | Drugs (including gases) | 7000 | Drugs |
| DCB | Corticosteroids (Respiratory System) | 302 | Drugs (including gases) | 7000 | Drugs |
| DCC | Cromoglicate Related Therapy & Leucotriene Receptor Antagonists | 302 | Drugs (including gases) | 7000 | Drugs |
| DCD | Antihistamines Hyposensitisation & Allergic Emergencies | 302 | Drugs (including gases) | 7000 | Drugs |
| DCE | Respiratory Stimulants | 302 | Drugs (including gases) | 7000 | Drugs |
| DCF | Pulmonary Surfactants | 302 | Drugs (including gases) | 7000 | Drugs |
| DCG | Mucolytics | 302 | Drugs (including gases) | 7000 | Drugs |
| DCH | Aromatic Inhalations | 302 | Drugs (including gases) | 7000 | Drugs |
| DCI | Cough Preparations | 302 | Drugs (including gases) | 7000 | Drugs |
| DCJ | Systemic Nasal Decongestants | 302 | Drugs (including gases) | 7000 | Drugs |