Category · FY2027
T50 Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
- Header · not billable
- Codes take a 7th character
T50 is not billable. The category heads 342 billable codes in FY2027, grouped under 13 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.
Where it sits
- Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
- T36-T50 Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
- T50 Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
- Billable codes
- 342
- Subdivisions
- 13
- CC / MCC codes
- 0 / 0
- HCC V28 codes
- 19
- New FY2027
- 0
- Index entries
- 0
Codes in T50
- T50.0Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonistsHeader
- T50.0XPoisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonistsHeader
- T50.0X1Poisoning by mineralocorticoids and their antagonists, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by mineralocorticoids and their antagonists NOS
- T50.0X2Poisoning by mineralocorticoids and their antagonists, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.0X3Poisoning by mineralocorticoids and their antagonists, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.0X4Poisoning by mineralocorticoids and their antagonists, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.0X5Adverse effect of mineralocorticoids and their antagonists +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.0X6Underdosing of mineralocorticoids and their antagonists +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.1Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diureticsHeader
- T50.1XPoisoning by, adverse effect of and underdosing of loop [high-ceiling] diureticsHeader
- T50.1X1Poisoning by loop [high-ceiling] diuretics, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by loop [high-ceiling] diuretics NOS
- T50.1X2Poisoning by loop [high-ceiling] diuretics, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.1X3Poisoning by loop [high-ceiling] diuretics, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.1X4Poisoning by loop [high-ceiling] diuretics, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.1X5Adverse effect of loop [high-ceiling] diuretics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.1X6Underdosing of loop [high-ceiling] diuretics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.2Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diureticsHeader
Inclusion terms 1
Inclusion terms
- Poisoning by, adverse effect of and underdosing of acetazolamide
- T50.2XPoisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diureticsHeader
- T50.2X1Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics NOS
- T50.2X2Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.2X3Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.2X4Poisoning by carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.2X5Adverse effect of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.2X6Underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.3Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agentsHeader
Inclusion terms 1
Inclusion terms
- Poisoning by, adverse effect of and underdosing of oral rehydration salts
- T50.3XPoisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agentsHeader
- T50.3X1Poisoning by electrolytic, caloric and water-balance agents, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by electrolytic, caloric and water-balance agents NOS
- T50.3X2Poisoning by electrolytic, caloric and water-balance agents, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.3X3Poisoning by electrolytic, caloric and water-balance agents, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.3X4Poisoning by electrolytic, caloric and water-balance agents, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.3X5Adverse effect of electrolytic, caloric and water-balance agents +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.3X6Underdosing of electrolytic, caloric and water-balance agents +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.4Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolismHeader
- T50.4XPoisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolismHeader
- T50.4X1Poisoning by drugs affecting uric acid metabolism, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by drugs affecting uric acid metabolism NOS
- T50.4X2Poisoning by drugs affecting uric acid metabolism, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.4X3Poisoning by drugs affecting uric acid metabolism, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.4X4Poisoning by drugs affecting uric acid metabolism, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.4X5Adverse effect of drugs affecting uric acid metabolism +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.4X6Underdosing of drugs affecting uric acid metabolism +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.5Poisoning by, adverse effect of and underdosing of appetite depressantsHeader
- T50.5XPoisoning by, adverse effect of and underdosing of appetite depressantsHeader
- T50.5X1Poisoning by appetite depressants, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by appetite depressants NOS
- T50.5X2Poisoning by appetite depressants, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.5X3Poisoning by appetite depressants, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.5X4Poisoning by appetite depressants, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.5X5Adverse effect of appetite depressants +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.5X6Underdosing of appetite depressants +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.6Poisoning by, adverse effect of and underdosing of antidotes and chelating agentsHeader
Inclusion terms 1
Inclusion terms
- Poisoning by, adverse effect of and underdosing of alcohol deterrents
- T50.6XPoisoning by, adverse effect of and underdosing of antidotes and chelating agentsHeader
- T50.6X1Poisoning by antidotes and chelating agents, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by antidotes and chelating agents NOS
- T50.6X2Poisoning by antidotes and chelating agents, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.6X3Poisoning by antidotes and chelating agents, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.6X4Poisoning by antidotes and chelating agents, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.6X5Adverse effect of antidotes and chelating agents +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.6X6Underdosing of antidotes and chelating agents +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.7Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonistsHeader
- T50.7XPoisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonistsHeader
- T50.7X1Poisoning by analeptics and opioid receptor antagonists, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by analeptics and opioid receptor antagonists NOS
- T50.7X2Poisoning by analeptics and opioid receptor antagonists, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.7X3Poisoning by analeptics and opioid receptor antagonists, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.7X4Poisoning by analeptics and opioid receptor antagonists, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.7X5Adverse effect of analeptics and opioid receptor antagonists +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.7X6Underdosing of analeptics and opioid receptor antagonists +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.8Poisoning by, adverse effect of and underdosing of diagnostic agentsHeader
- T50.8XPoisoning by, adverse effect of and underdosing of diagnostic agentsHeader
- T50.8X1Poisoning by diagnostic agents, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by diagnostic agents NOS
- T50.8X2Poisoning by diagnostic agents, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.8X3Poisoning by diagnostic agents, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.8X4Poisoning by diagnostic agents, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.8X5Adverse effect of diagnostic agents +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.8X6Underdosing of diagnostic agents +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.APoisoning by, adverse effect of and underdosing of bacterial vaccinesHeader
- T50.A1Poisoning by, adverse effect of and underdosing of pertussis vaccine, including combinations with a pertussis componentHeader
- T50.A11Poisoning by pertussis vaccine, including combinations with a pertussis component, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A12Poisoning by pertussis vaccine, including combinations with a pertussis component, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.A13Poisoning by pertussis vaccine, including combinations with a pertussis component, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A14Poisoning by pertussis vaccine, including combinations with a pertussis component, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A15Adverse effect of pertussis vaccine, including combinations with a pertussis component +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A16Underdosing of pertussis vaccine, including combinations with a pertussis component +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A2Poisoning by, adverse effect of and underdosing of mixed bacterial vaccines without a pertussis componentHeader
- T50.A21Poisoning by mixed bacterial vaccines without a pertussis component, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A22Poisoning by mixed bacterial vaccines without a pertussis component, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.A23Poisoning by mixed bacterial vaccines without a pertussis component, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A24Poisoning by mixed bacterial vaccines without a pertussis component, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A25Adverse effect of mixed bacterial vaccines without a pertussis component +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A26Underdosing of mixed bacterial vaccines without a pertussis component +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A9Poisoning by, adverse effect of and underdosing of other bacterial vaccinesHeader
- T50.A91Poisoning by other bacterial vaccines, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A92Poisoning by other bacterial vaccines, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.A93Poisoning by other bacterial vaccines, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A94Poisoning by other bacterial vaccines, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A95Adverse effect of other bacterial vaccines +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.A96Underdosing of other bacterial vaccines +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.BPoisoning by, adverse effect of and underdosing of viral vaccinesHeader
- T50.B1Poisoning by, adverse effect of and underdosing of smallpox vaccinesHeader
- T50.B11Poisoning by smallpox vaccines, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.B12Poisoning by smallpox vaccines, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.B13Poisoning by smallpox vaccines, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.B14Poisoning by smallpox vaccines, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.B15Adverse effect of smallpox vaccines +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.B16Underdosing of smallpox vaccines +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.B9Poisoning by, adverse effect of and underdosing of other viral vaccinesHeader
- T50.B91Poisoning by other viral vaccines, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.B92Poisoning by other viral vaccines, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.B93Poisoning by other viral vaccines, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.B94Poisoning by other viral vaccines, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.B95Adverse effect of other viral vaccines +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.B96Underdosing of other viral vaccines +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.ZPoisoning by, adverse effect of and underdosing of other vaccines and biological substancesHeader
- T50.Z1Poisoning by, adverse effect of and underdosing of immunoglobulinHeader
- T50.Z11Poisoning by immunoglobulin, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.Z12Poisoning by immunoglobulin, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.Z13Poisoning by immunoglobulin, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.Z14Poisoning by immunoglobulin, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.Z15Adverse effect of immunoglobulin +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.Z16Underdosing of immunoglobulin +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.Z9Poisoning by, adverse effect of and underdosing of other vaccines and biological substancesHeader
- T50.Z91Poisoning by other vaccines and biological substances, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.Z92Poisoning by other vaccines and biological substances, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.Z93Poisoning by other vaccines and biological substances, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.Z94Poisoning by other vaccines and biological substances, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.Z95Adverse effect of other vaccines and biological substances +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.Z96Underdosing of other vaccines and biological substances +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substancesHeader
- T50.90Poisoning by, adverse effect of and underdosing of unspecified drugs, medicaments and biological substancesHeader
- T50.901Poisoning by unspecified drugs, medicaments and biological substances, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.902Poisoning by unspecified drugs, medicaments and biological substances, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.903Poisoning by unspecified drugs, medicaments and biological substances, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.904Poisoning by unspecified drugs, medicaments and biological substances, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.905Adverse effect of unspecified drugs, medicaments and biological substances +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.906Underdosing of unspecified drugs, medicaments and biological substances +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.91Poisoning by, adverse effect of and underdosing of multiple unspecified drugs, medicaments and biological substancesHeader
Inclusion terms 1, Code also 1
Inclusion terms
- Multiple drug ingestion NOS
Code also
- any specific drugs, medicaments and biological substances
- T50.911Poisoning by multiple unspecified drugs, medicaments and biological substances, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.912Poisoning by multiple unspecified drugs, medicaments and biological substances, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.913Poisoning by multiple unspecified drugs, medicaments and biological substances, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.914Poisoning by multiple unspecified drugs, medicaments and biological substances, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.915Adverse effect of multiple unspecified drugs, medicaments and biological substances +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.916Underdosing of multiple unspecified drugs, medicaments and biological substances +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.99Poisoning by, adverse effect of and underdosing of other drugs, medicaments and biological substancesHeader
- T50.991Poisoning by other drugs, medicaments and biological substances, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.992Poisoning by other drugs, medicaments and biological substances, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T50.993Poisoning by other drugs, medicaments and biological substances, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.994Poisoning by other drugs, medicaments and biological substances, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.995Adverse effect of other drugs, medicaments and biological substances +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T50.996Underdosing of other drugs, medicaments and biological substances +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Sources of each column. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.
Instructions
Notes that also apply
Block T36-T50 instructions (Notes 1, Includes 4, Excludes1 1, Excludes2 5, Code first 7, Use additional code 4): printed on the block page.
Chapter 19 instructions (Notes 2, Excludes2 2, Use additional code 1): printed on the chapter 19 page.
7th characters
7th characters for T50 defined here
The appropriate 7th character is to be added to each code from category T50
| 7th | Meaning (NCHS) |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.