M62.81 – Muscle weakness (Generalized)

Learn about the ICD-10-CM code M62.81 for generalized muscle weakness through this guide.

By Matt Olivares on May 21, 2025.

Fact Checked by Karina Jimenea.

Use Code
M62.81 – Muscle weakness (Generalized)

M62.81 diagnosis code: Muscle weakness (generalized)

  • M62.81 is the ICD-10-CM code for generalized muscle weakness, characterized by decreased muscle strength.
  • It can be experienced in multiple muscle groups across the body.
  • Generalized muscle weakness can be a symptom of various underlying health conditions, including neurological disorders, muscular disorders, metabolic diseases, and systemic illnesses.
  • The management approach depends on the underlying cause and may involve medication, physical therapy, lifestyle modifications, or surgical intervention.
  • As per coding guidelines, please only use this once it has been confirmed that the patient has generalized muscle weakness.

Is M62.81 billable?

Yes, M62.81 is a billable code. It can be used to specify a diagnosis for reimbursement purposes in medical billing.

Clinical information

  • Generalized muscle weakness can affect individuals of any age, but the risk increases with age and specific health conditions.
  • It can significantly impact daily activities, limiting mobility and reducing quality of life.
  • Symptoms can range from mild fatigue and difficulty performing tasks to severe weakness affecting the ability to move.
  • Diagnosis often involves a comprehensive medical history, physical examination, and diagnostic tests such as electromyography, nerve conduction studies, and blood tests.
  • Early detection and management of the underlying cause can significantly improve outcomes and prevent complications.
  • Patient education and support play crucial roles in managing generalized muscle weakness, along with medical interventions.

Synonyms include

  • Generalized muscle weakness
  • Generalized weakness of muscles
  • Age-related weakness (generalized muscle weakness)
  • Generalized muscle weakness accompanied by stiff man syndrome
  • Generalized weakness of specific muscle group
  • Generalized weakness due to a muscle disease
  • Generalized muscle weakness due to underlying disease
  • Generalized muscle weakness as part of a patient's symptoms
  • Reduced muscle function due to generalized weakness
  • Muscle fatigue
  • Myasthenia
  • Muscle debility
  • Weakness of muscles
  • Myopathy in diseases classified elsewhere

Popular search terms for M62.81

  • M62.81 ICD-10 code
  • ICD-10 M62.81
  • M62.81 diagnosis code
  • ICD-10 code for generalized muscle weakness

Other ICD-10 codes commonly used for muscle weakness

  • M62.830: Muscle spasm of back
  • M62.838: Other muscle spasm
  • G72.0: Drug-induced myopathy
  • G72.1: Alcoholic myopathy
  • G72.2: Myopathy due to other toxic agents
  • G72.3: Periodic paralysis
  • G72.49: Other inflammatory and immune myopathies, not elsewhere classified
  • M62.50: Muscle wasting and atrophy, not elsewhere classified, unspecified site

Frequently asked questions

What are the common causes of generalized muscle weakness?

Generalized muscle weakness can be caused by various factors, including neurological disorders, muscular disorders, metabolic diseases, systemic illnesses, and certain medications.

How is M62.81 diagnosed?

The diagnosis of M62.81 involves a comprehensive medical history, physical examination, and diagnostic tests such as electromyography, nerve conduction studies, and blood tests.

What are the treatment options for generalized muscle weakness?

Treatment options for generalized muscle weakness depend on the underlying cause and may involve medication, physical therapy, lifestyle modifications, or surgical intervention.

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