G52.0
Disorders of olfactory nerve
- Release
- FY 2027
- Effective
Hierarchy
Where G52.0 sits in the official hierarchy. Each level is the code it is classified under.
- G52 Parent Disorders of other cranial nerves
- G52.0 This code Disorders of olfactory nerve
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
Disorders of 1st cranial nerve
Excludes2
disorders of acoustic [8th] nerve ( H93.3 )
Inherited from G52 — Disorders of other cranial nerves
Excludes2
disorders of optic [2nd] nerve ( H46 , H47.0 )
Inherited from G52 — Disorders of other cranial nerves
Excludes2
paralytic strabismus due to nerve palsy (H49.0-H49.2)
Inherited from G52 — Disorders of other cranial nerves
Version History
How G52.0 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentDisorders of olfactory nerve
-
FY 2026 Effective
UnchangedDisorders of olfactory nerve
Related Codes
Other codes under G52
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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