G52.0Billable

Disorders of olfactory nerve

Chapter
6. Diseases of the nervous system
Category
G52
Effective date
October 1, 2026

Related codes in category G52

G52Disorders of other cranial nervesG52.1Disorders of glossopharyngeal nerveYesG52.2Disorders of vagus nerveYesG52.3Disorders of hypoglossal nerveYesG52.7Disorders of multiple cranial nervesYesG52.8Disorders of other specified cranial nervesYesG52.9Cranial nerve disorder, unspecifiedYes

Frequently asked questions

What is ICD-10 code G52.0?

G52.0 is an ICD-10-CM diagnosis code for Disorders of olfactory nerve.

Is G52.0 a billable code?

Yes. G52.0 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is G52.0 in?

G52.0 falls under Chapter 6: Diseases of the nervous system.

When did G52.0 become effective?

G52.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to G52.0?

G52.0 belongs to category G52, which includes 7 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.