Y55.7
Other and unspecified agents primarily acting on the respiratory system
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Cannot be used as primary diagnosis
Sibling codes
Y55Agents primarily acting on smooth and skeletal muscles and the respiratory systemY55.0Oxytocic drugsY55.1Skeletal muscle relaxants [neuromuscular blocking agents]Y55.2Other and unspecified agents primarily acting on musclesY55.3AntitussivesY55.4ExpectorantsY55.5Anti-common-cold drugsY55.6Antiasthmatics, not elsewhere classified