| M - Musculo-Skeletal System |  |   |  
  |  | M02 - Topical Products for Joint and Muscular Pain |  |   |  
  |  | M02A - Topical Products for Joint and Muscular Pain |  This group comprises ointments, liniments, plasters, etc. which may produce symptomatic relief in joint and muscular pain. 
  |  No DDDs have been assigned in this group. 
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  |  | M02AA - Antiinflammatory Preparations, Non-Steroids for Topical Use |  All non-steroidal antiinflammatory derivatives for topical use are classified here, regardless of indication. Exception is a product containing diclofenac formulated as a 3% hyaluronic acid gel which is used in treatment of actinic keratoses. This particular formulation is classified in D11AX. Combinations of non-steroidal antiinflammatory derivatives and other substances for topical use are classified together with plain preparations at the different 5th levels. 
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