All ICD10 Codes

T50

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

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

Use a more specific code (0 billable, 13 non-billable)
T50.0Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonistshas subcodesT50.1Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diureticshas subcodesT50.2Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diureticshas subcodesT50.3Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agentshas subcodesT50.4Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolismhas subcodesT50.5Poisoning by, adverse effect of and underdosing of appetite depressantshas subcodesT50.6Poisoning by, adverse effect of and underdosing of antidotes and chelating agentshas subcodesT50.7Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonistshas subcodesT50.8Poisoning by, adverse effect of and underdosing of diagnostic agentshas subcodesT50.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substanceshas subcodesT50.APoisoning by, adverse effect of and underdosing of bacterial vaccineshas subcodesT50.BPoisoning by, adverse effect of and underdosing of viral vaccineshas subcodesT50.ZPoisoning by, adverse effect of and underdosing of other vaccines and biological substanceshas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

T36-T50 Parent Instructions

Includes
  • adverse effect of correct substance properly administered
  • poisoning by overdose of substance
  • poisoning by wrong substance given or taken in error
  • underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed
Excludes1(Not coded here. Use a different code.)
  • toxic reaction to local anesthesia in pregnancy (O29.3-)
Excludes2(Not included here. Code separately if applicable.)
  • abuse and dependence of psychoactive substances (F10-F19)
  • abuse of non-dependence-producing substances (F55.-)
  • immunodeficiency due to drugs (D84.821)
  • drug reaction and poisoning affecting newborn (P00-P96)
  • pathological drug intoxication (inebriation) (F10-F19)
Code First
  • , for adverse effects, the nature of the adverse effect, such as:
  • adverse effect NOS (T88.7)
  • aspirin gastritis (K29.-)
  • blood disorders (D56-D76)
  • contact dermatitis (L23-L25)
  • dermatitis due to substances taken internally (L27.-)
  • nephropathy (N14.0-N14.2)
Use Additional Code
  • code(s) to specify:
  • manifestations of poisoning
  • underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9)
  • underdosing of medication regimen (Z91.12-, Z91.13-)

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T36-T50Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
T50Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substancesNot billable
T50.0Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonistsSubcodes
T50.1Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diureticsSubcodes
T50.2Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diureticsSubcodes
T50.3Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agentsSubcodes
T50.4Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolismSubcodes
T50.5Poisoning by, adverse effect of and underdosing of appetite depressantsSubcodes
T50.6Poisoning by, adverse effect of and underdosing of antidotes and chelating agentsSubcodes
T50.7Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonistsSubcodes
T50.8Poisoning by, adverse effect of and underdosing of diagnostic agentsSubcodes
T50.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substancesSubcodes
T50.APoisoning by, adverse effect of and underdosing of bacterial vaccinesSubcodes
T50.BPoisoning by, adverse effect of and underdosing of viral vaccinesSubcodes
T50.ZPoisoning by, adverse effect of and underdosing of other vaccines and biological substancesSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T50:

blockT36-T50
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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