T78
Adverse effects, not elsewhere classified
- Release
- FY 2027
- Effective
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files.
Excludes2
complications of surgical and medical care NEC (T80-T88)
7th Character
The appropriate 7th character is to be added to each code from category T78
7th Character
A - initial encounter
7th Character
D - subsequent encounter
7th Character
S - sequela
More Specific Codes
6 codes under T78
- T78.0 Anaphylactic reaction due to food Has subcodes
- T78.1 Other adverse food reactions, not elsewhere classified Has subcodes
- T78.2 Anaphylactic shock, unspecified Has subcodes
- T78.3 Angioneurotic edema Has subcodes
- T78.4 Other and unspecified allergy Has subcodes
- T78.8 Other adverse effects, not elsewhere classified Has subcodes
Version History
How T78 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentAdverse effects, not elsewhere classified
-
FY 2026 Effective
UnchangedAdverse effects, not elsewhere classified
Related Codes
Codes whose official notes reference T78
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)
MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.
Look up another code
Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.