G71.3

Billable

Mitochondrial myopathy, not elsewhere classified

G71.3 is the ICD-10-CM code for Mitochondrial myopathy, not elsewhere classified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Parent
G71
Edition
FY2026

G00-G99 Diseases of the nervous system

Excludes1 — not coded here

  • Kearns-Sayre syndrome (H49.81)
  • Leber's disease (H47.21)
  • Leigh's encephalopathy (G31.82)
  • mitochondrial metabolism disorders (E88.4.-)
  • Reye's syndrome (G93.7)

Frequently asked questions

What is ICD-10 code G71.3?
G71.3 is the ICD-10-CM code for "Mitochondrial myopathy, not elsewhere classified". It falls under G00-G99 Diseases of the nervous system.
Is G71.3 a billable code?
Yes — G71.3 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from G71.3?
Excludes1 (not coded here): Kearns-Sayre syndrome (H49.81); Leber's disease (H47.21); Leigh's encephalopathy (G31.82); mitochondrial metabolism disorders (E88.4.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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