2025
ICD-10-CM
Diagnosis
Code

M63 Disorders of muscle in diseases classified elsewhere

  • Non-billable
  • 2016–2025

M63 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Disorders of muscle in diseases classified elsewhere.

Code first

Type 1 excludes

  • Myopathy in cysticercosis (B69.81)

  • Myopathy in endocrine diseases (G73.7)

  • Myopathy in metabolic diseases (G73.7)

  • Myopathy in sarcoidosis (D86.87)

  • Myopathy in secondary syphilis (A51.49)

  • Myopathy in syphilis (late) (A52.78)

  • Myopathy in toxoplasmosis (B58.82)

  • Myopathy in tuberculosis (A18.09)

Codes

Versions

  1. 2025

    No changes

  2. 2024

    Code changed

    • Code first

        • underlying disease, such as:
        • leprosy (A30.-)
        • neoplasm (C49.-, C79.89, D21.-, D48.1)
        • schistosomiasis (B65.-)
        • trichinellosis (B75)
        • underlying disease, such as:
        • leprosy (A30.-)
        • neoplasm (C49.-, C79.89, D21.-, D48.1-)
        • schistosomiasis (B65.-)
        • trichinellosis (B75)

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    No changes

  10. 2016

    New code