T78.49
Other allergy
- Release
- FY 2027
- Effective
Hierarchy
Where T78.49 sits in the official hierarchy. Each level is the code it is classified under.
- T78 Adverse effects, not elsewhere classified
- T78.4 Parent Other and unspecified allergy
- T78.49 This code Other allergy
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.
Excludes1
specified types of allergic reaction such as:
Inherited from T78.4 — Other and unspecified allergy
Excludes1
allergic gastroenteritis and colitis ( K52.29 )
Inherited from T78.4 — Other and unspecified allergy
Excludes1
food protein-induced enterocolitis syndrome ( K52.21 )
Inherited from T78.4 — Other and unspecified allergy
Excludes2
complications of surgical and medical care NEC (T80-T88)
Inherited from T78 — Adverse effects, not elsewhere classified
More Specific Codes
3 codes under T78.49
Version History
How T78.49 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentOther allergy
-
FY 2026 Effective
UnchangedOther allergy
Related Codes
Other codes under T78.4
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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