ICD-10-CM T50: Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances

ICD-10-CM Diagnosis Code (2025)

Official Description for T50

Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances

Coding Notes & Guidelines for T50

Inclusion Terms

Poisoning by mineralocorticoids and their antagonists NOS

Inclusion Terms

Poisoning by loop [high-ceiling] diuretics NOS

Inclusion Terms

Poisoning by, adverse effect of and underdosing of acetazolamide

Inclusion Terms

Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics NOS

Inclusion Terms

Poisoning by, adverse effect of and underdosing of oral rehydration salts

Inclusion Terms

Poisoning by electrolytic, caloric and water-balance agents NOS

Inclusion Terms

Poisoning by drugs affecting uric acid metabolism NOS

Inclusion Terms

Poisoning by appetite depressants NOS

Inclusion Terms

Poisoning by, adverse effect of and underdosing of alcohol deterrents

Inclusion Terms

Poisoning by antidotes and chelating agents NOS

Inclusion Terms

Poisoning by analeptics and opioid receptor antagonists NOS

Inclusion Terms

Poisoning by diagnostic agents NOS

Inclusion Terms

Multiple drug ingestion NOS

Code Also

any specific drugs, medicaments and biological substances

7th Character Guidance

The appropriate 7th character is to be added to each code from category T50

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for T50):

T50.0 - Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonists T50.0X - Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonists T50.0X1 - Poisoning by mineralocorticoids and their antagonists, accidental (unintentional) T50.0X2 - Poisoning by mineralocorticoids and their antagonists, intentional self-harm T50.0X3 - Poisoning by mineralocorticoids and their antagonists, assault T50.0X4 - Poisoning by mineralocorticoids and their antagonists, undetermined T50.0X5 - Adverse effect of mineralocorticoids and their antagonists T50.0X6 - Underdosing of mineralocorticoids and their antagonists T50.1 - Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diuretics T50.1X - Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diuretics T50.1X1 - Poisoning by loop [high-ceiling] diuretics, accidental (unintentional) T50.1X2 - Poisoning by loop [high-ceiling] diuretics, intentional self-harm T50.1X3 - Poisoning by loop [high-ceiling] diuretics, assault T50.1X4 - Poisoning by loop [high-ceiling] diuretics, undetermined T50.1X5 - Adverse effect of loop [high-ceiling] diuretics T50.1X6 - Underdosing of loop [high-ceiling] diuretics T50.2 - Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics T50.2X - Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics T50.2X1 - Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional) T50.2X2 - Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, intentional self-harm T50.2X3 - Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, assault T50.2X4 - Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undetermined T50.2X5 - Adverse effect of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics T50.2X6 - Underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics T50.3 - Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agents T50.3X - Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agents T50.3X1 - Poisoning by electrolytic, caloric and water-balance agents, accidental (unintentional) T50.3X2 - Poisoning by electrolytic, caloric and water-balance agents, intentional self-harm T50.3X3 - Poisoning by electrolytic, caloric and water-balance agents, assault T50.3X4 - Poisoning by electrolytic, caloric and water-balance agents, undetermined T50.3X5 - Adverse effect of electrolytic, caloric and water-balance agents T50.3X6 - Underdosing of electrolytic, caloric and water-balance agents T50.4 - Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolism T50.4X - Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolism T50.4X1 - Poisoning by drugs affecting uric acid metabolism, accidental (unintentional) T50.4X2 - Poisoning by drugs affecting uric acid metabolism, intentional self-harm T50.4X3 - Poisoning by drugs affecting uric acid metabolism, assault T50.4X4 - Poisoning by drugs affecting uric acid metabolism, undetermined T50.4X5 - Adverse effect of drugs affecting uric acid metabolism T50.4X6 - Underdosing of drugs affecting uric acid metabolism T50.5 - Poisoning by, adverse effect of and underdosing of appetite depressants T50.5X - Poisoning by, adverse effect of and underdosing of appetite depressants T50.5X1 - Poisoning by appetite depressants, accidental (unintentional) T50.5X2 - Poisoning by appetite depressants, intentional self-harm T50.5X3 - Poisoning by appetite depressants, assault T50.5X4 - Poisoning by appetite depressants, undetermined T50.5X5 - Adverse effect of appetite depressants T50.5X6 - Underdosing of appetite depressants T50.6 - Poisoning by, adverse effect of and underdosing of antidotes and chelating agents T50.6X - Poisoning by, adverse effect of and underdosing of antidotes and chelating agents T50.6X1 - Poisoning by antidotes and chelating agents, accidental (unintentional) T50.6X2 - Poisoning by antidotes and chelating agents, intentional self-harm T50.6X3 - Poisoning by antidotes and chelating agents, assault T50.6X4 - Poisoning by antidotes and chelating agents, undetermined T50.6X5 - Adverse effect of antidotes and chelating agents T50.6X6 - Underdosing of antidotes and chelating agents T50.7 - Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonists T50.7X - Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonists T50.7X1 - Poisoning by analeptics and opioid receptor antagonists, accidental (unintentional) T50.7X2 - Poisoning by analeptics and opioid receptor antagonists, intentional self-harm T50.7X3 - Poisoning by analeptics and opioid receptor antagonists, assault T50.7X4 - Poisoning by analeptics and opioid receptor antagonists, undetermined T50.7X5 - Adverse effect of analeptics and opioid receptor antagonists T50.7X6 - Underdosing of analeptics and opioid receptor antagonists T50.8 - Poisoning by, adverse effect of and underdosing of diagnostic agents T50.8X - Poisoning by, adverse effect of and underdosing of diagnostic agents T50.8X1 - Poisoning by diagnostic agents, accidental (unintentional) T50.8X2 - Poisoning by diagnostic agents, intentional self-harm T50.8X3 - Poisoning by diagnostic agents, assault T50.8X4 - Poisoning by diagnostic agents, undetermined T50.8X5 - Adverse effect of diagnostic agents T50.8X6 - Underdosing of diagnostic agents T50.9 - Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substances T50.90 - Poisoning by, adverse effect of and underdosing of unspecified drugs, medicaments and biological substances T50.901 - Poisoning by unspecified drugs, medicaments and biological substances, accidental (unintentional) T50.902 - Poisoning by unspecified drugs, medicaments and biological substances, intentional self-harm T50.903 - Poisoning by unspecified drugs, medicaments and biological substances, assault T50.904 - Poisoning by unspecified drugs, medicaments and biological substances, undetermined T50.905 - Adverse effect of unspecified drugs, medicaments and biological substances T50.906 - Underdosing of unspecified drugs, medicaments and biological substances T50.91 - Poisoning by, adverse effect of and underdosing of multiple unspecified drugs, medicaments and biological substances T50.911 - Poisoning by multiple unspecified drugs, medicaments and biological substances, accidental (unintentional) T50.912 - Poisoning by multiple unspecified drugs, medicaments and biological substances, intentional self-harm T50.913 - Poisoning by multiple unspecified drugs, medicaments and biological substances, assault T50.914 - Poisoning by multiple unspecified drugs, medicaments and biological substances, undetermined T50.915 - Adverse effect of multiple unspecified drugs, medicaments and biological substances T50.916 - Underdosing of multiple unspecified drugs, medicaments and biological substances T50.99 - Poisoning by, adverse effect of and underdosing of other drugs, medicaments and biological substances T50.991 - Poisoning by other drugs, medicaments and biological substances, accidental (unintentional) T50.992 - Poisoning by other drugs, medicaments and biological substances, intentional self-harm T50.993 - Poisoning by other drugs, medicaments and biological substances, assault T50.994 - Poisoning by other drugs, medicaments and biological substances, undetermined T50.995 - Adverse effect of other drugs, medicaments and biological substances T50.996 - Underdosing of other drugs, medicaments and biological substances T50.A - Poisoning by, adverse effect of and underdosing of bacterial vaccines T50.A1 - Poisoning by, adverse effect of and underdosing of pertussis vaccine, including combinations with a pertussis component T50.A11 - Poisoning by pertussis vaccine, including combinations with a pertussis component, accidental (unintentional) T50.A12 - Poisoning by pertussis vaccine, including combinations with a pertussis component, intentional self-harm T50.A13 - Poisoning by pertussis vaccine, including combinations with a pertussis component, assault T50.A14 - Poisoning by pertussis vaccine, including combinations with a pertussis component, undetermined T50.A15 - Adverse effect of pertussis vaccine, including combinations with a pertussis component T50.A16 - Underdosing of pertussis vaccine, including combinations with a pertussis component T50.A2 - Poisoning by, adverse effect of and underdosing of mixed bacterial vaccines without a pertussis component T50.A21 - Poisoning by mixed bacterial vaccines without a pertussis component, accidental (unintentional) T50.A22 - Poisoning by mixed bacterial vaccines without a pertussis component, intentional self-harm T50.A23 - Poisoning by mixed bacterial vaccines without a pertussis component, assault T50.A24 - Poisoning by mixed bacterial vaccines without a pertussis component, undetermined T50.A25 - Adverse effect of mixed bacterial vaccines without a pertussis component T50.A26 - Underdosing of mixed bacterial vaccines without a pertussis component T50.A9 - Poisoning by, adverse effect of and underdosing of other bacterial vaccines T50.A91 - Poisoning by other bacterial vaccines, accidental (unintentional) T50.A92 - Poisoning by other bacterial vaccines, intentional self-harm T50.A93 - Poisoning by other bacterial vaccines, assault T50.A94 - Poisoning by other bacterial vaccines, undetermined T50.A95 - Adverse effect of other bacterial vaccines T50.A96 - Underdosing of other bacterial vaccines T50.B - Poisoning by, adverse effect of and underdosing of viral vaccines T50.B1 - Poisoning by, adverse effect of and underdosing of smallpox vaccines T50.B11 - Poisoning by smallpox vaccines, accidental (unintentional) T50.B12 - Poisoning by smallpox vaccines, intentional self-harm T50.B13 - Poisoning by smallpox vaccines, assault T50.B14 - Poisoning by smallpox vaccines, undetermined T50.B15 - Adverse effect of smallpox vaccines T50.B16 - Underdosing of smallpox vaccines T50.B9 - Poisoning by, adverse effect of and underdosing of other viral vaccines T50.B91 - Poisoning by other viral vaccines, accidental (unintentional) T50.B92 - Poisoning by other viral vaccines, intentional self-harm T50.B93 - Poisoning by other viral vaccines, assault T50.B94 - Poisoning by other viral vaccines, undetermined T50.B95 - Adverse effect of other viral vaccines T50.B96 - Underdosing of other viral vaccines T50.Z - Poisoning by, adverse effect of and underdosing of other vaccines and biological substances T50.Z1 - Poisoning by, adverse effect of and underdosing of immunoglobulin T50.Z11 - Poisoning by immunoglobulin, accidental (unintentional) T50.Z12 - Poisoning by immunoglobulin, intentional self-harm T50.Z13 - Poisoning by immunoglobulin, assault T50.Z14 - Poisoning by immunoglobulin, undetermined T50.Z15 - Adverse effect of immunoglobulin T50.Z16 - Underdosing of immunoglobulin T50.Z9 - Poisoning by, adverse effect of and underdosing of other vaccines and biological substances T50.Z91 - Poisoning by other vaccines and biological substances, accidental (unintentional) T50.Z92 - Poisoning by other vaccines and biological substances, intentional self-harm T50.Z93 - Poisoning by other vaccines and biological substances, assault T50.Z94 - Poisoning by other vaccines and biological substances, undetermined T50.Z95 - Adverse effect of other vaccines and biological substances T50.Z96 - Underdosing of other vaccines and biological substances

About ICD-10-CM Code T50 (Poisoning by)

ICD-10-CM code T50 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T50 became effective on October 1, 2024.

This page provides detailed information about T50 - Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Poisoning by related to adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances.