R50.83
Postvaccination fever
- Release
- FY 2027
- Effective
Hierarchy
Where R50.83 sits in the official hierarchy. Each level is the code it is classified under.
- R50 Fever of other and unknown origin
- R50.8 Parent Other specified fever
- R50.83 This code Postvaccination fever
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.
Inclusion Terms
Postimmunization fever
Excludes1
fever of unknown origin during labor ( O75.2 )
Inherited from R50 — Fever of other and unknown origin
Excludes1
fever of unknown origin in newborn ( P81.9 )
Inherited from R50 — Fever of other and unknown origin
Excludes1
hypothermia due to illness ( R68.0 )
Inherited from R50 — Fever of other and unknown origin
Version History
How R50.83 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentPostvaccination fever
-
FY 2026 Effective
UnchangedPostvaccination fever
Related Codes
Other codes under R50.8
Codes whose official notes reference R50.83
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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