G52.0
Billable

Disorders of olfactory nerve

Billable / Specific Code

What is Disorders of olfactory nerve?

ICD-10-CM G52.0 is the diagnosis code for Disorders of olfactory nerve. This code falls under the section "Nerve, nerve root and plexus disorders" within Chapter 6 — Diseases of the nervous system (G00-G99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for G52.0

✅ This Code Includes

  • Disorders of 1st cranial nerve

ICD-10-CM Code Hierarchy

Understanding where G52.0 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is G52.0 a billable ICD-10-CM code?

Yes, G52.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does G52.0 mean?

G52.0 is the ICD-10-CM diagnosis code for "Disorders of olfactory nerve". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of G52.0?

The parent code of G52.0 is G52 ("Disorders of other cranial nerves"). G52.0 provides a more specific classification within this category.

What section is G52.0 in?

G52.0 is located in Section G50-G59 — "Nerve, nerve root and plexus disorders" within Chapter 6 of the ICD-10-CM Tabular List.

When should I use G52.0?

Use G52.0 when the patients documented diagnosis matches "Disorders of olfactory nerve" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Disorders of olfactory nerve?

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

Can G52.0 be used for primary diagnosis?

Yes, G52.0 can be used as a primary diagnosis code since it is billable and specific.

What chapter is G52.0 in?

G52.0 is in Chapter 6 of the ICD-10-CM Tabular List.

Is G52.0 valid for 2026?

Yes, G52.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousG52Disorders of other cranial nervesNext →G52.1Disorders of glossopharyngeal nerve
Code Details
G52.0
Disorders of olfactory nerve
Billable / Specific Code
6 — Diseases of the nervous system (G00-G99)
G50-G59 — Nerve, nerve root and plexus disorders
2026 ICD-10-CM