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Compare/G52 vs H46

G52 vs H46

G52 (Disorders of other cranial nerves) compared with H46 (Optic neuritis), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. G52 carries an Excludes2 note covering H46: “disorders of optic [2nd] nerve (H46, H47.0)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

G52Disorders of other cranial nervesH46Optic neuritis
Billing statusNon-billable header

Report instead: G52.0, G52.1, G52.2, G52.3, G52.7

Non-billable header

Report instead: H46.00, H46.01, H46.02, H46.03, H46.10

ClassificationG00-G99 — Diseases of the Nervous System (G00-G99)H00-H59 — Diseases of the Eye and Adnexa (H00-H59)
DefinitionDisorders of other cranial nerves is a non-billable ICD-10-CM category code (G52).Optic neuritis is a non-billable ICD-10-CM category code (H46).
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources