E945 Agents primarily acting on the smooth and skeletal muscles and respiratory system causing adverse effects in therapeutic use 
E945.0 Oxytocic agents causing adverse effects in therapeutic use convert E945.0 to ICD-10-CM E945.1 Smooth muscle relaxants causing adverse effects in therapeutic use convert E945.1 to ICD-10-CM E945.2 Skeletal muscle relaxants causing adverse effects in therapeutic use convert E945.2 to ICD-10-CM E945.3 Other and unspecified drugs acting on muscles causing adverse effects in therapeutic use convert E945.3 to ICD-10-CM E945.4 Antitussives causing adverse effects in therapeutic use convert E945.4 to ICD-10-CM E945.5 Expectorants causing adverse effects in therapeutic use convert E945.5 to ICD-10-CM E945.6 Anti-common cold drugs causing adverse effects in therapeutic use convert E945.6 to ICD-10-CM E945.7 Antiasthmatics causing adverse effects in therapeutic use convert E945.7 to ICD-10-CM
E945.8 Other and unspecified respiratory drugs causing adverse effects in therapeutic use convert E945.8 to ICD-10-CM