Home / ICD-10-CM / Chapter 20 / T48

T48 Agents prim act on smooth and skeletal musc and the resp sys

ICD-10-CM category T48 sits in Chapter 20 (External causes of morbidity, V00-Y99). It contains 180 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

T48.0 Oxytocic drugsT48.0X Oxytocic drugsT48.0X1 Poisoning by oxytocic drugs, accidental (unintentional)T48.0X2 Poisoning by oxytocic drugs, intentional self-harmT48.0X3 Poisoning by oxytocic drugs, assaultT48.0X4 Poisoning by oxytocic drugs, undeterminedT48.0X5 Adverse effect of oxytocic drugsT48.0X6 Underdosing of oxytocic drugsT48.1 Skeletal muscle relaxantsT48.1X Skeletal muscle relaxantsT48.1X1 Poisoning by skeletal muscle relaxants, accidentalT48.1X2 Poisoning by skeletal muscle relaxants, self-harmT48.1X3 Poisoning by skeletal muscle relaxants, assaultT48.1X4 Poisoning by skeletal muscle relaxants, undeterminedT48.1X5 Adverse effect of skeletal muscle relaxantsT48.1X6 Underdosing of skeletal muscle relaxantsT48.2 And unsp drugs acting on musclesT48.20 Unsp drugs acting on musclesT48.201 Poisoning by unsp drugs acting on muscles, accidentalT48.202 Poisoning by unsp drugs acting on muscles, self-harmT48.203 Poisoning by unspecified drugs acting on muscles, assaultT48.204 Poisoning by unsp drugs acting on muscles, undeterminedT48.205 Adverse effect of unspecified drugs acting on musclesT48.206 Underdosing of unspecified drugs acting on musclesT48.29 Drugs acting on musclesT48.291 Poisoning by oth drugs acting on muscles, accidentalT48.292 Poisoning by oth drugs acting on muscles, self-harmT48.293 Poisoning by other drugs acting on muscles, assaultT48.294 Poisoning by other drugs acting on muscles, undeterminedT48.295 Adverse effect of other drugs acting on musclesT48.296 Underdosing of other drugs acting on musclesT48.3 AntitussivesT48.3X AntitussivesT48.3X1 Poisoning by antitussives, accidental (unintentional)T48.3X2 Poisoning by antitussives, intentional self-harmT48.3X3 Poisoning by antitussives, assaultT48.3X4 Poisoning by antitussives, undeterminedT48.3X5 Adverse effect of antitussivesT48.3X6 Underdosing of antitussivesT48.4 Expectorants

Billable codes in T48

CodeDescription
T48.0X1APoisoning by oxytocic drugs, accidental (unintentional), initial encounter
T48.0X1DPoisoning by oxytocic drugs, accidental (unintentional), subsequent encounter
T48.0X1SPoisoning by oxytocic drugs, accidental (unintentional), sequela
T48.0X2APoisoning by oxytocic drugs, intentional self-harm, initial encounter
T48.0X2DPoisoning by oxytocic drugs, intentional self-harm, subsequent encounter
T48.0X2SPoisoning by oxytocic drugs, intentional self-harm, sequela
T48.0X3APoisoning by oxytocic drugs, assault, initial encounter
T48.0X3DPoisoning by oxytocic drugs, assault, subsequent encounter
T48.0X3SPoisoning by oxytocic drugs, assault, sequela
T48.0X4APoisoning by oxytocic drugs, undetermined, initial encounter
T48.0X4DPoisoning by oxytocic drugs, undetermined, subsequent encounter
T48.0X4SPoisoning by oxytocic drugs, undetermined, sequela
T48.0X5AAdverse effect of oxytocic drugs, initial encounter
T48.0X5DAdverse effect of oxytocic drugs, subsequent encounter
T48.0X5SAdverse effect of oxytocic drugs, sequela
T48.0X6AUnderdosing of oxytocic drugs, initial encounter
T48.0X6DUnderdosing of oxytocic drugs, subsequent encounter
T48.0X6SUnderdosing of oxytocic drugs, sequela
T48.1X1APoisoning by skeletal muscle relaxants [neuromuscular blocking agents], accidental (unintentional), initial encounter
T48.1X1DPoisoning by skeletal muscle relaxants [neuromuscular blocking agents], accidental (unintentional), subsequent encounter
T48.1X1SPoisoning by skeletal muscle relaxants [neuromuscular blocking agents], accidental (unintentional), sequela
T48.1X2APoisoning by skeletal muscle relaxants [neuromuscular blocking agents], intentional self-harm, initial encounter
T48.1X2DPoisoning by skeletal muscle relaxants [neuromuscular blocking agents], intentional self-harm, subsequent encounter
T48.1X2SPoisoning by skeletal muscle relaxants [neuromuscular blocking agents], intentional self-harm, sequela
T48.1X3APoisoning by skeletal muscle relaxants [neuromuscular blocking agents], assault, initial encounter
T48.1X3DPoisoning by skeletal muscle relaxants [neuromuscular blocking agents], assault, subsequent encounter
T48.1X3SPoisoning by skeletal muscle relaxants [neuromuscular blocking agents], assault, sequela
T48.1X4APoisoning by skeletal muscle relaxants [neuromuscular blocking agents], undetermined, initial encounter
T48.1X4DPoisoning by skeletal muscle relaxants [neuromuscular blocking agents], undetermined, subsequent encounter
T48.1X4SPoisoning by skeletal muscle relaxants [neuromuscular blocking agents], undetermined, sequela
T48.1X5AAdverse effect of skeletal muscle relaxants [neuromuscular blocking agents], initial encounter
T48.1X5DAdverse effect of skeletal muscle relaxants [neuromuscular blocking agents], subsequent encounter
T48.1X5SAdverse effect of skeletal muscle relaxants [neuromuscular blocking agents], sequela
T48.1X6AUnderdosing of skeletal muscle relaxants [neuromuscular blocking agents], initial encounter
T48.1X6DUnderdosing of skeletal muscle relaxants [neuromuscular blocking agents], subsequent encounter
T48.1X6SUnderdosing of skeletal muscle relaxants [neuromuscular blocking agents], sequela
T48.201APoisoning by unspecified drugs acting on muscles, accidental (unintentional), initial encounter
T48.201DPoisoning by unspecified drugs acting on muscles, accidental (unintentional), subsequent encounter
T48.201SPoisoning by unspecified drugs acting on muscles, accidental (unintentional), sequela
T48.202APoisoning by unspecified drugs acting on muscles, intentional self-harm, initial encounter
T48.202DPoisoning by unspecified drugs acting on muscles, intentional self-harm, subsequent encounter
T48.202SPoisoning by unspecified drugs acting on muscles, intentional self-harm, sequela
T48.203APoisoning by unspecified drugs acting on muscles, assault, initial encounter
T48.203DPoisoning by unspecified drugs acting on muscles, assault, subsequent encounter
T48.203SPoisoning by unspecified drugs acting on muscles, assault, sequela
T48.204APoisoning by unspecified drugs acting on muscles, undetermined, initial encounter
T48.204DPoisoning by unspecified drugs acting on muscles, undetermined, subsequent encounter
T48.204SPoisoning by unspecified drugs acting on muscles, undetermined, sequela
T48.205AAdverse effect of unspecified drugs acting on muscles, initial encounter
T48.205DAdverse effect of unspecified drugs acting on muscles, subsequent encounter
T48.205SAdverse effect of unspecified drugs acting on muscles, sequela
T48.206AUnderdosing of unspecified drugs acting on muscles, initial encounter
T48.206DUnderdosing of unspecified drugs acting on muscles, subsequent encounter
T48.206SUnderdosing of unspecified drugs acting on muscles, sequela
T48.291APoisoning by other drugs acting on muscles, accidental (unintentional), initial encounter
T48.291DPoisoning by other drugs acting on muscles, accidental (unintentional), subsequent encounter
T48.291SPoisoning by other drugs acting on muscles, accidental (unintentional), sequela
T48.292APoisoning by other drugs acting on muscles, intentional self-harm, initial encounter
T48.292DPoisoning by other drugs acting on muscles, intentional self-harm, subsequent encounter
T48.292SPoisoning by other drugs acting on muscles, intentional self-harm, sequela
T48.293APoisoning by other drugs acting on muscles, assault, initial encounter
T48.293DPoisoning by other drugs acting on muscles, assault, subsequent encounter
T48.293SPoisoning by other drugs acting on muscles, assault, sequela
T48.294APoisoning by other drugs acting on muscles, undetermined, initial encounter
T48.294DPoisoning by other drugs acting on muscles, undetermined, subsequent encounter
T48.294SPoisoning by other drugs acting on muscles, undetermined, sequela
T48.295AAdverse effect of other drugs acting on muscles, initial encounter
T48.295DAdverse effect of other drugs acting on muscles, subsequent encounter
T48.295SAdverse effect of other drugs acting on muscles, sequela
T48.296AUnderdosing of other drugs acting on muscles, initial encounter
T48.296DUnderdosing of other drugs acting on muscles, subsequent encounter
T48.296SUnderdosing of other drugs acting on muscles, sequela
T48.3X1APoisoning by antitussives, accidental (unintentional), initial encounter
T48.3X1DPoisoning by antitussives, accidental (unintentional), subsequent encounter
T48.3X1SPoisoning by antitussives, accidental (unintentional), sequela
T48.3X2APoisoning by antitussives, intentional self-harm, initial encounter
T48.3X2DPoisoning by antitussives, intentional self-harm, subsequent encounter
T48.3X2SPoisoning by antitussives, intentional self-harm, sequela
T48.3X3APoisoning by antitussives, assault, initial encounter
T48.3X3DPoisoning by antitussives, assault, subsequent encounter
T48.3X3SPoisoning by antitussives, assault, sequela
T48.3X4APoisoning by antitussives, undetermined, initial encounter
T48.3X4DPoisoning by antitussives, undetermined, subsequent encounter
T48.3X4SPoisoning by antitussives, undetermined, sequela
T48.3X5AAdverse effect of antitussives, initial encounter
T48.3X5DAdverse effect of antitussives, subsequent encounter
T48.3X5SAdverse effect of antitussives, sequela
T48.3X6AUnderdosing of antitussives, initial encounter
T48.3X6DUnderdosing of antitussives, subsequent encounter
T48.3X6SUnderdosing of antitussives, sequela
T48.4X1APoisoning by expectorants, accidental (unintentional), initial encounter
T48.4X1DPoisoning by expectorants, accidental (unintentional), subsequent encounter
T48.4X1SPoisoning by expectorants, accidental (unintentional), sequela
T48.4X2APoisoning by expectorants, intentional self-harm, initial encounter
T48.4X2DPoisoning by expectorants, intentional self-harm, subsequent encounter
T48.4X2SPoisoning by expectorants, intentional self-harm, sequela
T48.4X3APoisoning by expectorants, assault, initial encounter
T48.4X3DPoisoning by expectorants, assault, subsequent encounter
T48.4X3SPoisoning by expectorants, assault, sequela
T48.4X4APoisoning by expectorants, undetermined, initial encounter
T48.4X4DPoisoning by expectorants, undetermined, subsequent encounter
T48.4X4SPoisoning by expectorants, undetermined, sequela
T48.4X5AAdverse effect of expectorants, initial encounter
T48.4X5DAdverse effect of expectorants, subsequent encounter
T48.4X5SAdverse effect of expectorants, sequela
T48.4X6AUnderdosing of expectorants, initial encounter
T48.4X6DUnderdosing of expectorants, subsequent encounter
T48.4X6SUnderdosing of expectorants, sequela
T48.5X1APoisoning by other anti-common-cold drugs, accidental (unintentional), initial encounter
T48.5X1DPoisoning by other anti-common-cold drugs, accidental (unintentional), subsequent encounter
T48.5X1SPoisoning by other anti-common-cold drugs, accidental (unintentional), sequela
T48.5X2APoisoning by other anti-common-cold drugs, intentional self-harm, initial encounter
T48.5X2DPoisoning by other anti-common-cold drugs, intentional self-harm, subsequent encounter
T48.5X2SPoisoning by other anti-common-cold drugs, intentional self-harm, sequela
T48.5X3APoisoning by other anti-common-cold drugs, assault, initial encounter
T48.5X3DPoisoning by other anti-common-cold drugs, assault, subsequent encounter
T48.5X3SPoisoning by other anti-common-cold drugs, assault, sequela
T48.5X4APoisoning by other anti-common-cold drugs, undetermined, initial encounter
T48.5X4DPoisoning by other anti-common-cold drugs, undetermined, subsequent encounter
T48.5X4SPoisoning by other anti-common-cold drugs, undetermined, sequela
T48.5X5AAdverse effect of other anti-common-cold drugs, initial encounter
T48.5X5DAdverse effect of other anti-common-cold drugs, subsequent encounter
T48.5X5SAdverse effect of other anti-common-cold drugs, sequela
T48.5X6AUnderdosing of other anti-common-cold drugs, initial encounter
T48.5X6DUnderdosing of other anti-common-cold drugs, subsequent encounter
T48.5X6SUnderdosing of other anti-common-cold drugs, sequela
T48.6X1APoisoning by antiasthmatics, accidental (unintentional), initial encounter
T48.6X1DPoisoning by antiasthmatics, accidental (unintentional), subsequent encounter
T48.6X1SPoisoning by antiasthmatics, accidental (unintentional), sequela
T48.6X2APoisoning by antiasthmatics, intentional self-harm, initial encounter
T48.6X2DPoisoning by antiasthmatics, intentional self-harm, subsequent encounter
T48.6X2SPoisoning by antiasthmatics, intentional self-harm, sequela
T48.6X3APoisoning by antiasthmatics, assault, initial encounter
T48.6X3DPoisoning by antiasthmatics, assault, subsequent encounter
T48.6X3SPoisoning by antiasthmatics, assault, sequela
T48.6X4APoisoning by antiasthmatics, undetermined, initial encounter
T48.6X4DPoisoning by antiasthmatics, undetermined, subsequent encounter
T48.6X4SPoisoning by antiasthmatics, undetermined, sequela
T48.6X5AAdverse effect of antiasthmatics, initial encounter
T48.6X5DAdverse effect of antiasthmatics, subsequent encounter
T48.6X5SAdverse effect of antiasthmatics, sequela
T48.6X6AUnderdosing of antiasthmatics, initial encounter
T48.6X6DUnderdosing of antiasthmatics, subsequent encounter
T48.6X6SUnderdosing of antiasthmatics, sequela
T48.901APoisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional), initial encounter
T48.901DPoisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional), subsequent encounter
T48.901SPoisoning by unspecified agents primarily acting on the respiratory system, accidental (unintentional), sequela
T48.902APoisoning by unspecified agents primarily acting on the respiratory system, intentional self-harm, initial encounter
T48.902DPoisoning by unspecified agents primarily acting on the respiratory system, intentional self-harm, subsequent encounter
T48.902SPoisoning by unspecified agents primarily acting on the respiratory system, intentional self-harm, sequela
T48.903APoisoning by unspecified agents primarily acting on the respiratory system, assault, initial encounter
T48.903DPoisoning by unspecified agents primarily acting on the respiratory system, assault, subsequent encounter
T48.903SPoisoning by unspecified agents primarily acting on the respiratory system, assault, sequela
T48.904APoisoning by unspecified agents primarily acting on the respiratory system, undetermined, initial encounter
T48.904DPoisoning by unspecified agents primarily acting on the respiratory system, undetermined, subsequent encounter
T48.904SPoisoning by unspecified agents primarily acting on the respiratory system, undetermined, sequela
T48.905AAdverse effect of unspecified agents primarily acting on the respiratory system, initial encounter
T48.905DAdverse effect of unspecified agents primarily acting on the respiratory system, subsequent encounter
T48.905SAdverse effect of unspecified agents primarily acting on the respiratory system, sequela
T48.906AUnderdosing of unspecified agents primarily acting on the respiratory system, initial encounter
T48.906DUnderdosing of unspecified agents primarily acting on the respiratory system, subsequent encounter
T48.906SUnderdosing of unspecified agents primarily acting on the respiratory system, sequela
T48.991APoisoning by other agents primarily acting on the respiratory system, accidental (unintentional), initial encounter
T48.991DPoisoning by other agents primarily acting on the respiratory system, accidental (unintentional), subsequent encounter
T48.991SPoisoning by other agents primarily acting on the respiratory system, accidental (unintentional), sequela
T48.992APoisoning by other agents primarily acting on the respiratory system, intentional self-harm, initial encounter
T48.992DPoisoning by other agents primarily acting on the respiratory system, intentional self-harm, subsequent encounter
T48.992SPoisoning by other agents primarily acting on the respiratory system, intentional self-harm, sequela
T48.993APoisoning by other agents primarily acting on the respiratory system, assault, initial encounter
T48.993DPoisoning by other agents primarily acting on the respiratory system, assault, subsequent encounter
T48.993SPoisoning by other agents primarily acting on the respiratory system, assault, sequela
T48.994APoisoning by other agents primarily acting on the respiratory system, undetermined, initial encounter
T48.994DPoisoning by other agents primarily acting on the respiratory system, undetermined, subsequent encounter
T48.994SPoisoning by other agents primarily acting on the respiratory system, undetermined, sequela
T48.995AAdverse effect of other agents primarily acting on the respiratory system, initial encounter
T48.995DAdverse effect of other agents primarily acting on the respiratory system, subsequent encounter
T48.995SAdverse effect of other agents primarily acting on the respiratory system, sequela
T48.996AUnderdosing of other agents primarily acting on the respiratory system, initial encounter
T48.996DUnderdosing of other agents primarily acting on the respiratory system, subsequent encounter
T48.996SUnderdosing of other agents primarily acting on the respiratory system, sequela

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