T48 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory system.
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The appropriate 7th character is to be added to each code from category T48
A: initial encounter
D: subsequent encounter
S: sequela
Poisoning by, adverse effect of and underdosing of oxytocic drugs
Poisoning by, adverse effect of and underdosing of skeletal muscle relaxants [neuromuscular blocking agents]
Poisoning by, adverse effect of and underdosing of other and unspecified drugs acting on muscles
Poisoning by, adverse effect of and underdosing of antitussives
Poisoning by, adverse effect of and underdosing of expectorants
Poisoning by, adverse effect of and underdosing of other anti-common-cold drugs
Poisoning by, adverse effect of and underdosing of antiasthmatics, not elsewhere classified
Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily acting on the respiratory system
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