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T47 Agents primarily affecting the gastrointestinal system

ICD-10-CM category T47 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

T47.0 Histamine H2-receptor blockersT47.0X Histamine H2-receptor blockersT47.0X1 Poisoning by histamine H2-receptor blockers, accidentalT47.0X2 Poisoning by histamine H2-receptor blockers, self-harmT47.0X3 Poisoning by histamine H2-receptor blockers, assaultT47.0X4 Poisoning by histamine H2-receptor blockers, undeterminedT47.0X5 Adverse effect of histamine H2-receptor blockersT47.0X6 Underdosing of histamine H2-receptor blockersT47.1 Antacids and anti-gastric-secretion drugsT47.1X Antacids and anti-gastric-secretion drugsT47.1X1 Poisoning by oth antacids and anti-gstrc-sec drugs, accT47.1X2 Poisn by oth antacids and anti-gstrc-sec drugs, self-harmT47.1X3 Poisoning by oth antacids and anti-gstrc-sec drugs, assaultT47.1X4 Poisoning by oth antacids and anti-gstrc-sec drugs, undetT47.1X5 Adverse effect of antacids and anti-gastric-secretion drugsT47.1X6 Underdosing of oth antacids and anti-gastric-secretion drugsT47.2 Stimulant laxativesT47.2X Stimulant laxativesT47.2X1 Poisoning by stimulant laxatives, accidental (unintentional)T47.2X2 Poisoning by stimulant laxatives, intentional self-harmT47.2X3 Poisoning by stimulant laxatives, assaultT47.2X4 Poisoning by stimulant laxatives, undeterminedT47.2X5 Adverse effect of stimulant laxativesT47.2X6 Underdosing of stimulant laxativesT47.3 Saline and osmotic laxativesT47.3X Poisoning by and adverse effect of saline and osmotic laxtvT47.3X1 Poisoning by saline and osmotic laxatives, accidentalT47.3X2 Poisoning by saline and osmotic laxatives, self-harmT47.3X3 Poisoning by saline and osmotic laxatives, assaultT47.3X4 Poisoning by saline and osmotic laxatives, undeterminedT47.3X5 Adverse effect of saline and osmotic laxativesT47.3X6 Underdosing of saline and osmotic laxativesT47.4 Poisoning by, adverse effect of and underdosing of laxativesT47.4X Poisoning by, adverse effect of and underdosing of laxativesT47.4X1 Poisoning by other laxatives, accidental (unintentional)T47.4X2 Poisoning by other laxatives, intentional self-harmT47.4X3 Poisoning by other laxatives, assaultT47.4X4 Poisoning by other laxatives, undeterminedT47.4X5 Adverse effect of other laxativesT47.4X6 Underdosing of other laxatives

Billable codes in T47

CodeDescription
T47.0X1APoisoning by histamine H2-receptor blockers, accidental (unintentional), initial encounter
T47.0X1DPoisoning by histamine H2-receptor blockers, accidental (unintentional), subsequent encounter
T47.0X1SPoisoning by histamine H2-receptor blockers, accidental (unintentional), sequela
T47.0X2APoisoning by histamine H2-receptor blockers, intentional self-harm, initial encounter
T47.0X2DPoisoning by histamine H2-receptor blockers, intentional self-harm, subsequent encounter
T47.0X2SPoisoning by histamine H2-receptor blockers, intentional self-harm, sequela
T47.0X3APoisoning by histamine H2-receptor blockers, assault, initial encounter
T47.0X3DPoisoning by histamine H2-receptor blockers, assault, subsequent encounter
T47.0X3SPoisoning by histamine H2-receptor blockers, assault, sequela
T47.0X4APoisoning by histamine H2-receptor blockers, undetermined, initial encounter
T47.0X4DPoisoning by histamine H2-receptor blockers, undetermined, subsequent encounter
T47.0X4SPoisoning by histamine H2-receptor blockers, undetermined, sequela
T47.0X5AAdverse effect of histamine H2-receptor blockers, initial encounter
T47.0X5DAdverse effect of histamine H2-receptor blockers, subsequent encounter
T47.0X5SAdverse effect of histamine H2-receptor blockers, sequela
T47.0X6AUnderdosing of histamine H2-receptor blockers, initial encounter
T47.0X6DUnderdosing of histamine H2-receptor blockers, subsequent encounter
T47.0X6SUnderdosing of histamine H2-receptor blockers, sequela
T47.1X1APoisoning by other antacids and anti-gastric-secretion drugs, accidental (unintentional), initial encounter
T47.1X1DPoisoning by other antacids and anti-gastric-secretion drugs, accidental (unintentional), subsequent encounter
T47.1X1SPoisoning by other antacids and anti-gastric-secretion drugs, accidental (unintentional), sequela
T47.1X2APoisoning by other antacids and anti-gastric-secretion drugs, intentional self-harm, initial encounter
T47.1X2DPoisoning by other antacids and anti-gastric-secretion drugs, intentional self-harm, subsequent encounter
T47.1X2SPoisoning by other antacids and anti-gastric-secretion drugs, intentional self-harm, sequela
T47.1X3APoisoning by other antacids and anti-gastric-secretion drugs, assault, initial encounter
T47.1X3DPoisoning by other antacids and anti-gastric-secretion drugs, assault, subsequent encounter
T47.1X3SPoisoning by other antacids and anti-gastric-secretion drugs, assault, sequela
T47.1X4APoisoning by other antacids and anti-gastric-secretion drugs, undetermined, initial encounter
T47.1X4DPoisoning by other antacids and anti-gastric-secretion drugs, undetermined, subsequent encounter
T47.1X4SPoisoning by other antacids and anti-gastric-secretion drugs, undetermined, sequela
T47.1X5AAdverse effect of other antacids and anti-gastric-secretion drugs, initial encounter
T47.1X5DAdverse effect of other antacids and anti-gastric-secretion drugs, subsequent encounter
T47.1X5SAdverse effect of other antacids and anti-gastric-secretion drugs, sequela
T47.1X6AUnderdosing of other antacids and anti-gastric-secretion drugs, initial encounter
T47.1X6DUnderdosing of other antacids and anti-gastric-secretion drugs, subsequent encounter
T47.1X6SUnderdosing of other antacids and anti-gastric-secretion drugs, sequela
T47.2X1APoisoning by stimulant laxatives, accidental (unintentional), initial encounter
T47.2X1DPoisoning by stimulant laxatives, accidental (unintentional), subsequent encounter
T47.2X1SPoisoning by stimulant laxatives, accidental (unintentional), sequela
T47.2X2APoisoning by stimulant laxatives, intentional self-harm, initial encounter
T47.2X2DPoisoning by stimulant laxatives, intentional self-harm, subsequent encounter
T47.2X2SPoisoning by stimulant laxatives, intentional self-harm, sequela
T47.2X3APoisoning by stimulant laxatives, assault, initial encounter
T47.2X3DPoisoning by stimulant laxatives, assault, subsequent encounter
T47.2X3SPoisoning by stimulant laxatives, assault, sequela
T47.2X4APoisoning by stimulant laxatives, undetermined, initial encounter
T47.2X4DPoisoning by stimulant laxatives, undetermined, subsequent encounter
T47.2X4SPoisoning by stimulant laxatives, undetermined, sequela
T47.2X5AAdverse effect of stimulant laxatives, initial encounter
T47.2X5DAdverse effect of stimulant laxatives, subsequent encounter
T47.2X5SAdverse effect of stimulant laxatives, sequela
T47.2X6AUnderdosing of stimulant laxatives, initial encounter
T47.2X6DUnderdosing of stimulant laxatives, subsequent encounter
T47.2X6SUnderdosing of stimulant laxatives, sequela
T47.3X1APoisoning by saline and osmotic laxatives, accidental (unintentional), initial encounter
T47.3X1DPoisoning by saline and osmotic laxatives, accidental (unintentional), subsequent encounter
T47.3X1SPoisoning by saline and osmotic laxatives, accidental (unintentional), sequela
T47.3X2APoisoning by saline and osmotic laxatives, intentional self-harm, initial encounter
T47.3X2DPoisoning by saline and osmotic laxatives, intentional self-harm, subsequent encounter
T47.3X2SPoisoning by saline and osmotic laxatives, intentional self-harm, sequela
T47.3X3APoisoning by saline and osmotic laxatives, assault, initial encounter
T47.3X3DPoisoning by saline and osmotic laxatives, assault, subsequent encounter
T47.3X3SPoisoning by saline and osmotic laxatives, assault, sequela
T47.3X4APoisoning by saline and osmotic laxatives, undetermined, initial encounter
T47.3X4DPoisoning by saline and osmotic laxatives, undetermined, subsequent encounter
T47.3X4SPoisoning by saline and osmotic laxatives, undetermined, sequela
T47.3X5AAdverse effect of saline and osmotic laxatives, initial encounter
T47.3X5DAdverse effect of saline and osmotic laxatives, subsequent encounter
T47.3X5SAdverse effect of saline and osmotic laxatives, sequela
T47.3X6AUnderdosing of saline and osmotic laxatives, initial encounter
T47.3X6DUnderdosing of saline and osmotic laxatives, subsequent encounter
T47.3X6SUnderdosing of saline and osmotic laxatives, sequela
T47.4X1APoisoning by other laxatives, accidental (unintentional), initial encounter
T47.4X1DPoisoning by other laxatives, accidental (unintentional), subsequent encounter
T47.4X1SPoisoning by other laxatives, accidental (unintentional), sequela
T47.4X2APoisoning by other laxatives, intentional self-harm, initial encounter
T47.4X2DPoisoning by other laxatives, intentional self-harm, subsequent encounter
T47.4X2SPoisoning by other laxatives, intentional self-harm, sequela
T47.4X3APoisoning by other laxatives, assault, initial encounter
T47.4X3DPoisoning by other laxatives, assault, subsequent encounter
T47.4X3SPoisoning by other laxatives, assault, sequela
T47.4X4APoisoning by other laxatives, undetermined, initial encounter
T47.4X4DPoisoning by other laxatives, undetermined, subsequent encounter
T47.4X4SPoisoning by other laxatives, undetermined, sequela
T47.4X5AAdverse effect of other laxatives, initial encounter
T47.4X5DAdverse effect of other laxatives, subsequent encounter
T47.4X5SAdverse effect of other laxatives, sequela
T47.4X6AUnderdosing of other laxatives, initial encounter
T47.4X6DUnderdosing of other laxatives, subsequent encounter
T47.4X6SUnderdosing of other laxatives, sequela
T47.5X1APoisoning by digestants, accidental (unintentional), initial encounter
T47.5X1DPoisoning by digestants, accidental (unintentional), subsequent encounter
T47.5X1SPoisoning by digestants, accidental (unintentional), sequela
T47.5X2APoisoning by digestants, intentional self-harm, initial encounter
T47.5X2DPoisoning by digestants, intentional self-harm, subsequent encounter
T47.5X2SPoisoning by digestants, intentional self-harm, sequela
T47.5X3APoisoning by digestants, assault, initial encounter
T47.5X3DPoisoning by digestants, assault, subsequent encounter
T47.5X3SPoisoning by digestants, assault, sequela
T47.5X4APoisoning by digestants, undetermined, initial encounter
T47.5X4DPoisoning by digestants, undetermined, subsequent encounter
T47.5X4SPoisoning by digestants, undetermined, sequela
T47.5X5AAdverse effect of digestants, initial encounter
T47.5X5DAdverse effect of digestants, subsequent encounter
T47.5X5SAdverse effect of digestants, sequela
T47.5X6AUnderdosing of digestants, initial encounter
T47.5X6DUnderdosing of digestants, subsequent encounter
T47.5X6SUnderdosing of digestants, sequela
T47.6X1APoisoning by antidiarrheal drugs, accidental (unintentional), initial encounter
T47.6X1DPoisoning by antidiarrheal drugs, accidental (unintentional), subsequent encounter
T47.6X1SPoisoning by antidiarrheal drugs, accidental (unintentional), sequela
T47.6X2APoisoning by antidiarrheal drugs, intentional self-harm, initial encounter
T47.6X2DPoisoning by antidiarrheal drugs, intentional self-harm, subsequent encounter
T47.6X2SPoisoning by antidiarrheal drugs, intentional self-harm, sequela
T47.6X3APoisoning by antidiarrheal drugs, assault, initial encounter
T47.6X3DPoisoning by antidiarrheal drugs, assault, subsequent encounter
T47.6X3SPoisoning by antidiarrheal drugs, assault, sequela
T47.6X4APoisoning by antidiarrheal drugs, undetermined, initial encounter
T47.6X4DPoisoning by antidiarrheal drugs, undetermined, subsequent encounter
T47.6X4SPoisoning by antidiarrheal drugs, undetermined, sequela
T47.6X5AAdverse effect of antidiarrheal drugs, initial encounter
T47.6X5DAdverse effect of antidiarrheal drugs, subsequent encounter
T47.6X5SAdverse effect of antidiarrheal drugs, sequela
T47.6X6AUnderdosing of antidiarrheal drugs, initial encounter
T47.6X6DUnderdosing of antidiarrheal drugs, subsequent encounter
T47.6X6SUnderdosing of antidiarrheal drugs, sequela
T47.7X1APoisoning by emetics, accidental (unintentional), initial encounter
T47.7X1DPoisoning by emetics, accidental (unintentional), subsequent encounter
T47.7X1SPoisoning by emetics, accidental (unintentional), sequela
T47.7X2APoisoning by emetics, intentional self-harm, initial encounter
T47.7X2DPoisoning by emetics, intentional self-harm, subsequent encounter
T47.7X2SPoisoning by emetics, intentional self-harm, sequela
T47.7X3APoisoning by emetics, assault, initial encounter
T47.7X3DPoisoning by emetics, assault, subsequent encounter
T47.7X3SPoisoning by emetics, assault, sequela
T47.7X4APoisoning by emetics, undetermined, initial encounter
T47.7X4DPoisoning by emetics, undetermined, subsequent encounter
T47.7X4SPoisoning by emetics, undetermined, sequela
T47.7X5AAdverse effect of emetics, initial encounter
T47.7X5DAdverse effect of emetics, subsequent encounter
T47.7X5SAdverse effect of emetics, sequela
T47.7X6AUnderdosing of emetics, initial encounter
T47.7X6DUnderdosing of emetics, subsequent encounter
T47.7X6SUnderdosing of emetics, sequela
T47.8X1APoisoning by other agents primarily affecting gastrointestinal system, accidental (unintentional), initial encounter
T47.8X1DPoisoning by other agents primarily affecting gastrointestinal system, accidental (unintentional), subsequent encounter
T47.8X1SPoisoning by other agents primarily affecting gastrointestinal system, accidental (unintentional), sequela
T47.8X2APoisoning by other agents primarily affecting gastrointestinal system, intentional self-harm, initial encounter
T47.8X2DPoisoning by other agents primarily affecting gastrointestinal system, intentional self-harm, subsequent encounter
T47.8X2SPoisoning by other agents primarily affecting gastrointestinal system, intentional self-harm, sequela
T47.8X3APoisoning by other agents primarily affecting gastrointestinal system, assault, initial encounter
T47.8X3DPoisoning by other agents primarily affecting gastrointestinal system, assault, subsequent encounter
T47.8X3SPoisoning by other agents primarily affecting gastrointestinal system, assault, sequela
T47.8X4APoisoning by other agents primarily affecting gastrointestinal system, undetermined, initial encounter
T47.8X4DPoisoning by other agents primarily affecting gastrointestinal system, undetermined, subsequent encounter
T47.8X4SPoisoning by other agents primarily affecting gastrointestinal system, undetermined, sequela
T47.8X5AAdverse effect of other agents primarily affecting gastrointestinal system, initial encounter
T47.8X5DAdverse effect of other agents primarily affecting gastrointestinal system, subsequent encounter
T47.8X5SAdverse effect of other agents primarily affecting gastrointestinal system, sequela
T47.8X6AUnderdosing of other agents primarily affecting gastrointestinal system, initial encounter
T47.8X6DUnderdosing of other agents primarily affecting gastrointestinal system, subsequent encounter
T47.8X6SUnderdosing of other agents primarily affecting gastrointestinal system, sequela
T47.91XAPoisoning by unspecified agents primarily affecting the gastrointestinal system, accidental (unintentional), initial encounter
T47.91XDPoisoning by unspecified agents primarily affecting the gastrointestinal system, accidental (unintentional), subsequent encounter
T47.91XSPoisoning by unspecified agents primarily affecting the gastrointestinal system, accidental (unintentional), sequela
T47.92XAPoisoning by unspecified agents primarily affecting the gastrointestinal system, intentional self-harm, initial encounter
T47.92XDPoisoning by unspecified agents primarily affecting the gastrointestinal system, intentional self-harm, subsequent encounter
T47.92XSPoisoning by unspecified agents primarily affecting the gastrointestinal system, intentional self-harm, sequela
T47.93XAPoisoning by unspecified agents primarily affecting the gastrointestinal system, assault, initial encounter
T47.93XDPoisoning by unspecified agents primarily affecting the gastrointestinal system, assault, subsequent encounter
T47.93XSPoisoning by unspecified agents primarily affecting the gastrointestinal system, assault, sequela
T47.94XAPoisoning by unspecified agents primarily affecting the gastrointestinal system, undetermined, initial encounter
T47.94XDPoisoning by unspecified agents primarily affecting the gastrointestinal system, undetermined, subsequent encounter
T47.94XSPoisoning by unspecified agents primarily affecting the gastrointestinal system, undetermined, sequela
T47.95XAAdverse effect of unspecified agents primarily affecting the gastrointestinal system, initial encounter
T47.95XDAdverse effect of unspecified agents primarily affecting the gastrointestinal system, subsequent encounter
T47.95XSAdverse effect of unspecified agents primarily affecting the gastrointestinal system, sequela
T47.96XAUnderdosing of unspecified agents primarily affecting the gastrointestinal system, initial encounter
T47.96XDUnderdosing of unspecified agents primarily affecting the gastrointestinal system, subsequent encounter
T47.96XSUnderdosing of unspecified agents primarily affecting the gastrointestinal system, sequela

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