Skip to main content

E70 vs G71.22

E70 (Disorders of aromatic amino-acid metabolism) compared with G71.22 (Centronuclear myopathy), 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. G71.22 carries an Excludes2 note covering E70: “metabolic disorders (E70-E88)”

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

Side by side

E70Disorders of aromatic amino-acid metabolismG71.22Centronuclear myopathy
Billing statusNon-billable header

Report instead: E70.0, E70.1, E70.20, E70.21, E70.29

Non-billable header

Report instead: G71.220, G71.228

ClassificationE00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89)G00-G99 — Diseases of the Nervous System (G00-G99)
DefinitionDisorders of aromatic amino-acid metabolism is a non-billable ICD-10-CM category code (E70).Centronuclear myopathy is a non-billable ICD-10-CM category code (G71.22).

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources