T50.Z1
Poisoning by, adverse effect of and underdosing of immunoglobulin
- Release
- FY 2027
- Effective
Hierarchy
Where T50.Z1 sits in the official hierarchy. Each level is the code it is classified under.
- T50 Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
- T50.Z Parent Poisoning by, adverse effect of and underdosing of other vaccines and biological substances
- T50.Z1 This code Poisoning by, adverse effect of and underdosing of immunoglobulin
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
7th Character
The appropriate 7th character is to be added to each code from category T50
Inherited from T50 — Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
7th Character
A - initial encounter
Inherited from T50 — Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
7th Character
D - subsequent encounter
Inherited from T50 — Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
7th Character
S - sequela
Inherited from T50 — Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
More Specific Codes
6 codes under T50.Z1
- T50.Z11 Poisoning by immunoglobulin, accidental (unintentional) Has subcodes
- T50.Z12 Poisoning by immunoglobulin, intentional self-harm Has subcodes
- T50.Z13 Poisoning by immunoglobulin, assault Has subcodes
- T50.Z14 Poisoning by immunoglobulin, undetermined Has subcodes
- T50.Z15 Adverse effect of immunoglobulin Has subcodes
- T50.Z16 Underdosing of immunoglobulin Has subcodes
Version History
How T50.Z1 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentPoisoning by, adverse effect of and underdosing of immunoglobulin
-
FY 2026 Effective
UnchangedPoisoning by, adverse effect of and underdosing of immunoglobulin
Related Codes
Other codes under T50.Z
Codes whose official notes reference T50.Z1
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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