1. ICD-10-CM Codes
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2. S00-T88 Injury, poisoning and certain other consequences of external causes
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3. T36-T50 Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
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Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances T50- >

• T50 Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
  • 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)
        • T50.0X1A …… initial encounter
        • T50.0X1D …… subsequent encounter
        • T50.0X1S …… sequela
      • T50.0X2 Poisoning by mineralocorticoids and their antagonists, intentional self-harm
        • T50.0X2A …… initial encounter
        • T50.0X2D …… subsequent encounter
        • T50.0X2S …… sequela
      • T50.0X3 Poisoning by mineralocorticoids and their antagonists, assault
        • T50.0X3A …… initial encounter
        • T50.0X3D …… subsequent encounter
        • T50.0X3S …… sequela
      • T50.0X4 Poisoning by mineralocorticoids and their antagonists, undetermined
        • T50.0X4A …… initial encounter
        • T50.0X4D …… subsequent encounter
        • T50.0X4S …… sequela
      • T50.0X5 Adverse effect of mineralocorticoids and their antagonists
        • T50.0X5A …… initial encounter
        • T50.0X5D …… subsequent encounter
        • T50.0X5S …… sequela
      • T50.0X6 Underdosing of mineralocorticoids and their antagonists
        • T50.0X6A …… initial encounter
        • T50.0X6D …… subsequent encounter
        • T50.0X6S …… sequela
  • 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)
        • T50.1X1A …… initial encounter
        • T50.1X1D …… subsequent encounter
        • T50.1X1S …… sequela
      • T50.1X2 Poisoning by loop [high-ceiling] diuretics, intentional self-harm
        • T50.1X2A …… initial encounter
        • T50.1X2D …… subsequent encounter
        • T50.1X2S …… sequela
      • T50.1X3 Poisoning by loop [high-ceiling] diuretics, assault
        • T50.1X3A …… initial encounter
        • T50.1X3D …… subsequent encounter
        • T50.1X3S …… sequela
      • T50.1X4 Poisoning by loop [high-ceiling] diuretics, undetermined
        • T50.1X4A …… initial encounter
        • T50.1X4D …… subsequent encounter
        • T50.1X4S …… sequela
      • T50.1X5 Adverse effect of loop [high-ceiling] diuretics
        • T50.1X5A …… initial encounter
        • T50.1X5D …… subsequent encounter
        • T50.1X5S …… sequela
      • T50.1X6 Underdosing of loop [high-ceiling] diuretics
        • T50.1X6A …… initial encounter
        • T50.1X6D …… subsequent encounter
        • T50.1X6S …… sequela
  • 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)
        • T50.2X1A …… initial encounter
        • T50.2X1D …… subsequent encounter
        • T50.2X1S …… sequela
      • T50.2X2 Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, intentional self-harm
        • T50.2X2A …… initial encounter
        • T50.2X2D …… subsequent encounter
        • T50.2X2S …… sequela
      • T50.2X3 Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, assault
        • T50.2X3A …… initial encounter
        • T50.2X3D …… subsequent encounter
        • T50.2X3S …… sequela
      • T50.2X4 Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undetermined
        • T50.2X4A …… initial encounter
        • T50.2X4D …… subsequent encounter
        • T50.2X4S …… sequela
      • T50.2X5 Adverse effect of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics
        • T50.2X5A …… initial encounter
        • T50.2X5D …… subsequent encounter
        • T50.2X5S …… sequela
      • T50.2X6 Underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics
        • T50.2X6A …… initial encounter
        • T50.2X6D …… subsequent encounter
        • T50.2X6S …… sequela
  • 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)
        • T50.3X1A …… initial encounter
        • T50.3X1D …… subsequent encounter
        • T50.3X1S …… sequela
      • T50.3X2 Poisoning by electrolytic, caloric and water-balance agents, intentional self-harm
        • T50.3X2A …… initial encounter
        • T50.3X2D …… subsequent encounter
        • T50.3X2S …… sequela
      • T50.3X3 Poisoning by electrolytic, caloric and water-balance agents, assault
        • T50.3X3A …… initial encounter
        • T50.3X3D …… subsequent encounter
        • T50.3X3S …… sequela
      • T50.3X4 Poisoning by electrolytic, caloric and water-balance agents, undetermined
        • T50.3X4A …… initial encounter
        • T50.3X4D …… subsequent encounter
        • T50.3X4S …… sequela
      • T50.3X5 Adverse effect of electrolytic, caloric and water-balance agents
        • T50.3X5A …… initial encounter
        • T50.3X5D …… subsequent encounter
        • T50.3X5S …… sequela
      • T50.3X6 Underdosing of electrolytic, caloric and water-balance agents
        • T50.3X6A …… initial encounter
        • T50.3X6D …… subsequent encounter
        • T50.3X6S …… sequela
  • 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)
        • T50.4X1A …… initial encounter
        • T50.4X1D …… subsequent encounter
        • T50.4X1S …… sequela
      • T50.4X2 Poisoning by drugs affecting uric acid metabolism, intentional self-harm
        • T50.4X2A …… initial encounter
        • T50.4X2D …… subsequent encounter
        • T50.4X2S …… sequela
      • T50.4X3 Poisoning by drugs affecting uric acid metabolism, assault
        • T50.4X3A …… initial encounter
        • T50.4X3D …… subsequent encounter
        • T50.4X3S …… sequela
      • T50.4X4 Poisoning by drugs affecting uric acid metabolism, undetermined
        • T50.4X4A …… initial encounter
        • T50.4X4D …… subsequent encounter
        • T50.4X4S …… sequela
      • T50.4X5 Adverse effect of drugs affecting uric acid metabolism
        • T50.4X5A …… initial encounter
        • T50.4X5D …… subsequent encounter
        • T50.4X5S …… sequela
      • T50.4X6 Underdosing of drugs affecting uric acid metabolism
        • T50.4X6A …… initial encounter
        • T50.4X6D …… subsequent encounter
        • T50.4X6S …… sequela
  • 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)
        • T50.5X1A …… initial encounter
        • T50.5X1D …… subsequent encounter
        • T50.5X1S …… sequela
      • T50.5X2 Poisoning by appetite depressants, intentional self-harm
        • T50.5X2A …… initial encounter
        • T50.5X2D …… subsequent encounter
        • T50.5X2S …… sequela
      • T50.5X3 Poisoning by appetite depressants, assault
        • T50.5X3A …… initial encounter
        • T50.5X3D …… subsequent encounter
        • T50.5X3S …… sequela
      • T50.5X4 Poisoning by appetite depressants, undetermined
        • T50.5X4A …… initial encounter
        • T50.5X4D …… subsequent encounter
        • T50.5X4S …… sequela
      • T50.5X5 Adverse effect of appetite depressants
        • T50.5X5A …… initial encounter
        • T50.5X5D …… subsequent encounter
        • T50.5X5S …… sequela
      • T50.5X6 Underdosing of appetite depressants
        • T50.5X6A …… initial encounter
        • T50.5X6D …… subsequent encounter
        • T50.5X6S …… sequela
  • 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)
        • T50.6X1A …… initial encounter
        • T50.6X1D …… subsequent encounter
        • T50.6X1S …… sequela
      • T50.6X2 Poisoning by antidotes and chelating agents, intentional self-harm
        • T50.6X2A …… initial encounter
        • T50.6X2D …… subsequent encounter
        • T50.6X2S …… sequela
      • T50.6X3 Poisoning by antidotes and chelating agents, assault
        • T50.6X3A …… initial encounter
        • T50.6X3D …… subsequent encounter
        • T50.6X3S …… sequela
      • T50.6X4 Poisoning by antidotes and chelating agents, undetermined
        • T50.6X4A …… initial encounter
        • T50.6X4D …… subsequent encounter
        • T50.6X4S …… sequela
      • T50.6X5 Adverse effect of antidotes and chelating agents
        • T50.6X5A …… initial encounter
        • T50.6X5D …… subsequent encounter
        • T50.6X5S …… sequela
      • T50.6X6 Underdosing of antidotes and chelating agents
        • T50.6X6A …… initial encounter
        • T50.6X6D …… subsequent encounter
        • T50.6X6S …… sequela
  • 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)
        • T50.7X1A …… initial encounter
        • T50.7X1D …… subsequent encounter
        • T50.7X1S …… sequela
      • T50.7X2 Poisoning by analeptics and opioid receptor antagonists, intentional self-harm
        • T50.7X2A …… initial encounter
        • T50.7X2D …… subsequent encounter
        • T50.7X2S …… sequela
      • T50.7X3 Poisoning by analeptics and opioid receptor antagonists, assault
        • T50.7X3A …… initial encounter
        • T50.7X3D …… subsequent encounter
        • T50.7X3S …… sequela
      • T50.7X4 Poisoning by analeptics and opioid receptor antagonists, undetermined
        • T50.7X4A …… initial encounter
        • T50.7X4D …… subsequent encounter
        • T50.7X4S …… sequela
      • T50.7X5 Adverse effect of analeptics and opioid receptor antagonists
        • T50.7X5A …… initial encounter
        • T50.7X5D …… subsequent encounter
        • T50.7X5S …… sequela
      • T50.7X6 Underdosing of analeptics and opioid receptor antagonists
        • T50.7X6A …… initial encounter
        • T50.7X6D …… subsequent encounter
        • T50.7X6S …… sequela
  • 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)
        • T50.8X1A …… initial encounter
        • T50.8X1D …… subsequent encounter
        • T50.8X1S …… sequela
      • T50.8X2 Poisoning by diagnostic agents, intentional self-harm
        • T50.8X2A …… initial encounter
        • T50.8X2D …… subsequent encounter
        • T50.8X2S …… sequela
      • T50.8X3 Poisoning by diagnostic agents, assault
        • T50.8X3A …… initial encounter
        • T50.8X3D …… subsequent encounter
        • T50.8X3S …… sequela
      • T50.8X4 Poisoning by diagnostic agents, undetermined
        • T50.8X4A …… initial encounter
        • T50.8X4D …… subsequent encounter
        • T50.8X4S …… sequela
      • T50.8X5 Adverse effect of diagnostic agents
        • T50.8X5A …… initial encounter
        • T50.8X5D …… subsequent encounter
        • T50.8X5S …… sequela
      • T50.8X6 Underdosing of diagnostic agents
        • T50.8X6A …… initial encounter
        • T50.8X6D …… subsequent encounter
        • T50.8X6S …… sequela
  • 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.A11A …… initial encounter
        • T50.A11D …… subsequent encounter
        • T50.A11S …… sequela
      • T50.A12 Poisoning by pertussis vaccine, including combinations with a pertussis component, intentional self-harm
        • T50.A12A …… initial encounter
        • T50.A12D …… subsequent encounter
        • T50.A12S …… sequela
      • T50.A13 Poisoning by pertussis vaccine, including combinations with a pertussis component, assault
        • T50.A13A …… initial encounter
        • T50.A13D …… subsequent encounter
        • T50.A13S …… sequela
      • T50.A14 Poisoning by pertussis vaccine, including combinations with a pertussis component, undetermined
        • T50.A14A …… initial encounter
        • T50.A14D …… subsequent encounter
        • T50.A14S …… sequela
      • T50.A15 Adverse effect of pertussis vaccine, including combinations with a pertussis component
        • T50.A15A …… initial encounter
        • T50.A15D …… subsequent encounter
        • T50.A15S …… sequela
      • T50.A16 Underdosing of pertussis vaccine, including combinations with a pertussis component
        • T50.A16A …… initial encounter
        • T50.A16D …… subsequent encounter
        • T50.A16S …… sequela
    • 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.A21A …… initial encounter
        • T50.A21D …… subsequent encounter
        • T50.A21S …… sequela
      • T50.A22 Poisoning by mixed bacterial vaccines without a pertussis component, intentional self-harm
        • T50.A22A …… initial encounter
        • T50.A22D …… subsequent encounter
        • T50.A22S …… sequela
      • T50.A23 Poisoning by mixed bacterial vaccines without a pertussis component, assault
        • T50.A23A …… initial encounter
        • T50.A23D …… subsequent encounter
        • T50.A23S …… sequela
      • T50.A24 Poisoning by mixed bacterial vaccines without a pertussis component, undetermined
        • T50.A24A …… initial encounter
        • T50.A24D …… subsequent encounter
        • T50.A24S …… sequela
      • T50.A25 Adverse effect of mixed bacterial vaccines without a pertussis component
        • T50.A25A …… initial encounter
        • T50.A25D …… subsequent encounter
        • T50.A25S …… sequela
      • T50.A26 Underdosing of mixed bacterial vaccines without a pertussis component
        • T50.A26A …… initial encounter
        • T50.A26D …… subsequent encounter
        • T50.A26S …… sequela
    • T50.A9 Poisoning by, adverse effect of and underdosing of other bacterial vaccines
      • T50.A91 Poisoning by other bacterial vaccines, accidental (unintentional)
        • T50.A91A …… initial encounter
        • T50.A91D …… subsequent encounter
        • T50.A91S …… sequela
      • T50.A92 Poisoning by other bacterial vaccines, intentional self-harm
        • T50.A92A …… initial encounter
        • T50.A92D …… subsequent encounter
        • T50.A92S …… sequela
      • T50.A93 Poisoning by other bacterial vaccines, assault
        • T50.A93A …… initial encounter
        • T50.A93D …… subsequent encounter
        • T50.A93S …… sequela
      • T50.A94 Poisoning by other bacterial vaccines, undetermined
        • T50.A94A …… initial encounter
        • T50.A94D …… subsequent encounter
        • T50.A94S …… sequela
      • T50.A95 Adverse effect of other bacterial vaccines
        • T50.A95A …… initial encounter
        • T50.A95D …… subsequent encounter
        • T50.A95S …… sequela
      • T50.A96 Underdosing of other bacterial vaccines
        • T50.A96A …… initial encounter
        • T50.A96D …… subsequent encounter
        • T50.A96S …… sequela
  • 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.B11A …… initial encounter
        • T50.B11D …… subsequent encounter
        • T50.B11S …… sequela
      • T50.B12 Poisoning by smallpox vaccines, intentional self-harm
        • T50.B12A …… initial encounter
        • T50.B12D …… subsequent encounter
        • T50.B12S …… sequela
      • T50.B13 Poisoning by smallpox vaccines, assault
        • T50.B13A …… initial encounter
        • T50.B13D …… subsequent encounter
        • T50.B13S …… sequela
      • T50.B14 Poisoning by smallpox vaccines, undetermined
        • T50.B14A …… initial encounter
        • T50.B14D …… subsequent encounter
        • T50.B14S …… sequela
      • T50.B15 Adverse effect of smallpox vaccines
        • T50.B15A …… initial encounter
        • T50.B15D …… subsequent encounter
        • T50.B15S …… sequela
      • T50.B16 Underdosing of smallpox vaccines
        • T50.B16A …… initial encounter
        • T50.B16D …… subsequent encounter
        • T50.B16S …… sequela
    • T50.B9 Poisoning by, adverse effect of and underdosing of other viral vaccines
      • T50.B91 Poisoning by other viral vaccines, accidental (unintentional)
        • T50.B91A …… initial encounter
        • T50.B91D …… subsequent encounter
        • T50.B91S …… sequela
      • T50.B92 Poisoning by other viral vaccines, intentional self-harm
        • T50.B92A …… initial encounter
        • T50.B92D …… subsequent encounter
        • T50.B92S …… sequela
      • T50.B93 Poisoning by other viral vaccines, assault
        • T50.B93A …… initial encounter
        • T50.B93D …… subsequent encounter
        • T50.B93S …… sequela
      • T50.B94 Poisoning by other viral vaccines, undetermined
        • T50.B94A …… initial encounter
        • T50.B94D …… subsequent encounter
        • T50.B94S …… sequela
      • T50.B95 Adverse effect of other viral vaccines
        • T50.B95A …… initial encounter
        • T50.B95D …… subsequent encounter
        • T50.B95S …… sequela
      • T50.B96 Underdosing of other viral vaccines
        • T50.B96A …… initial encounter
        • T50.B96D …… subsequent encounter
        • T50.B96S …… sequela
  • 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.Z11A …… initial encounter
        • T50.Z11D …… subsequent encounter
        • T50.Z11S …… sequela
      • T50.Z12 Poisoning by immunoglobulin, intentional self-harm
        • T50.Z12A …… initial encounter
        • T50.Z12D …… subsequent encounter
        • T50.Z12S …… sequela
      • T50.Z13 Poisoning by immunoglobulin, assault
        • T50.Z13A …… initial encounter
        • T50.Z13D …… subsequent encounter
        • T50.Z13S …… sequela
      • T50.Z14 Poisoning by immunoglobulin, undetermined
        • T50.Z14A …… initial encounter
        • T50.Z14D …… subsequent encounter
        • T50.Z14S …… sequela
      • T50.Z15 Adverse effect of immunoglobulin
        • T50.Z15A …… initial encounter
        • T50.Z15D …… subsequent encounter
        • T50.Z15S …… sequela
      • T50.Z16 Underdosing of immunoglobulin
        • T50.Z16A …… initial encounter
        • T50.Z16D …… subsequent encounter
        • T50.Z16S …… sequela
    • 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.Z91A …… initial encounter
        • T50.Z91D …… subsequent encounter
        • T50.Z91S …… sequela
      • T50.Z92 Poisoning by other vaccines and biological substances, intentional self-harm
        • T50.Z92A …… initial encounter
        • T50.Z92D …… subsequent encounter
        • T50.Z92S …… sequela
      • T50.Z93 Poisoning by other vaccines and biological substances, assault
        • T50.Z93A …… initial encounter
        • T50.Z93D …… subsequent encounter
        • T50.Z93S …… sequela
      • T50.Z94 Poisoning by other vaccines and biological substances, undetermined
        • T50.Z94A …… initial encounter
        • T50.Z94D …… subsequent encounter
        • T50.Z94S …… sequela
      • T50.Z95 Adverse effect of other vaccines and biological substances
        • T50.Z95A …… initial encounter
        • T50.Z95D …… subsequent encounter
        • T50.Z95S …… sequela
      • T50.Z96 Underdosing of other vaccines and biological substances
        • T50.Z96A …… initial encounter
        • T50.Z96D …… subsequent encounter
        • T50.Z96S …… sequela
  • 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)
        • T50.901A …… initial encounter
        • T50.901D …… subsequent encounter
        • T50.901S …… sequela
      • T50.902 Poisoning by unspecified drugs, medicaments and biological substances, intentional self-harm
        • T50.902A …… initial encounter
        • T50.902D …… subsequent encounter
        • T50.902S …… sequela
      • T50.903 Poisoning by unspecified drugs, medicaments and biological substances, assault
        • T50.903A …… initial encounter
        • T50.903D …… subsequent encounter
        • T50.903S …… sequela
      • T50.904 Poisoning by unspecified drugs, medicaments and biological substances, undetermined
        • T50.904A …… initial encounter
        • T50.904D …… subsequent encounter
        • T50.904S …… sequela
      • T50.905 Adverse effect of unspecified drugs, medicaments and biological substances
        • T50.905A …… initial encounter
        • T50.905D …… subsequent encounter
        • T50.905S …… sequela
      • T50.906 Underdosing of unspecified drugs, medicaments and biological substances
        • T50.906A …… initial encounter
        • T50.906D …… subsequent encounter
        • T50.906S …… sequela
    • 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)
        • T50.991A …… initial encounter
        • T50.991D …… subsequent encounter
        • T50.991S …… sequela
      • T50.992 Poisoning by other drugs, medicaments and biological substances, intentional self-harm
        • T50.992A …… initial encounter
        • T50.992D …… subsequent encounter
        • T50.992S …… sequela
      • T50.993 Poisoning by other drugs, medicaments and biological substances, assault
        • T50.993A …… initial encounter
        • T50.993D …… subsequent encounter
        • T50.993S …… sequela
      • T50.994 Poisoning by other drugs, medicaments and biological substances, undetermined
        • T50.994A …… initial encounter
        • T50.994D …… subsequent encounter
        • T50.994S …… sequela
      • T50.995 Adverse effect of other drugs, medicaments and biological substances
        • T50.995A …… initial encounter
        • T50.995D …… subsequent encounter
        • T50.995S …… sequela
      • T50.996 Underdosing of other drugs, medicaments and biological substances
        • T50.996A …… initial encounter
        • T50.996D …… subsequent encounter
        • T50.996S …… sequela