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4A41.21 Noninflammatory inclusion body myopathy

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Noninflammatory inclusion body myopathy (IBM) is an idiopathic muscle disorder without inflammatory exudates and expression of class I major histocompatibility complex. Rimmed vacuoles and “IBM-like” filaments without inflammatory cells are described in muscle biopsy.

exclusions

• Myasthenia gravis or certain specified neuromuscular junction disorders  (8C60-8C6Z)

synonyms

• Noninflammatory inclusion body myopathy
• Hereditary inclusion body myopathy
• HIBM - [hereditary inclusion body myositis]
• Desmin-related myopathy with Mallory body-like inclusions
• Hereditary inclusion body myopathy - joint contractures - ophthalmoplegia
• Inclusion body myopathy with Paget disease of bone and frontotemporal dementia
• IBMPFD - [inclusion body myopathy with Paget disease of bone and frontotemporal dementia]
• X-linked myopathy with excess autophagy
• XMEA - [x-linked myopathy with excess autophagy]
• Sporadic inclusion body myopathy

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