Muscle Disorders

Your muscles help you move and help your body work. Different types of muscles have different jobs. There are many problems that can affect muscles. Muscle disorders can cause weakness, pain or even paralysis.

Causes of muscle disorders include

  • Injury or overuse, such as sprains or strains, cramps or tendinitis
  • A genetic disorder, such as muscular dystrophy
  • Some cancers
  • Inflammation, such as myositis
  • Diseases of nerves that affect muscles
  • Infections
  • Certain medicines

Sometimes the cause is not known.

Different Conditions

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Related ICD 10 COde
ICD 10 Code G71.2

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Alcoholic myopathy

Chronic alcoholic myopathy is a common complication of alcoholism affecting approximately 50% of patients. It primarily affects the white muscle fibres of the pectoral and pelvic girdles, though other muscle groups may be involved. Approximately 50% of affected patients show proximal muscle weakness. It is not associated with nutritional, vitamin or mineral deficiencies. The atrophy of the muscle fibres does not lead to an increase in serum creatine kinase and is reversible with 6-12 months abstinence.
Related ICD 10 COde
ICD 10 Code G72.1

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Calcification and ossification of muscles with known aetiology

This is a progressive heterotropic calcium deposition and/or bone formation in muscle secondary to spinal cord injury, traumatic brain injury, stroke, encephalitis, polio, tetanus, tabes dorsalis, syringomyelia, etc-related muscle weakness or paralysis.

Organ Affected

Skeletal and/or smooth muscle structure (body structure)

Causes

Calcium (substance)

Abbreviated Terms

  • Myositis ossificans associated with quadriplegia or paraplegia
  • massive calcification
  • massive paraplegic calcification
  • Also Known As

  • paralytic calcification and ossification of muscle, site unspecified
  • paralytic muscle calcification
  • paralytic ossification of muscle
  • Related ICD 10 COde
    ICD 10 Code M61.2

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    Calcification and ossification of muscles with unknown aetiology

    This is a rare condition in which calcification of muscle occurs but there is no known underlying aetiology.

    Organ Affected

    Skeletal and/or smooth muscle structure (body structure)

    Causes

    Calcium (substance)
    Related ICD 10 COde
    ICD 10 Code M61.4

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    Centronuclear myopathy

    Autosomal recessive centronuclear myopathy (AR-CNM) is an inherited neuromuscular disorder defined by numerous centrally placed nuclei on muscle biopsy and clinical features of a congenital myopathy. The age of onset varies from birth to childhood. AR-CNM is characterized by facial weakness including severe involvement of the masticatory muscles, and ocular abnormalities such as ptosis and external ophthalmoplegia. Muscle weakness is seen with variable severity and is usually prominently proximal.
    Related ICD 10 COde
    ICD 10 Code G71.2

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    Signs And Symptoms

  • Ischemia (disorder)
  • Abbreviated Terms

  • Volkmann ischaemic contracture
  • Traumatic compartment syndrome
  • shin splints
  • Volkmann paralysis
  • Volkmann contracture
  • Volkmann ischemic paralysis
  • Related ICD 10 COde
    ICD 10 Code T79.6

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    Certain specified congenital myopathy

    Rare condition characterised by a susceptibility to malignant hyperthermia, delayed motor development, short stature, cryptorchidism, skeletal abnormalities, and variable dysmorphic features. Autosomal dominant inheritance with variable expressivity has been reported in several cases, although either recessive inheritance, mosaicism or highly variable penetrance have been described.
    Related ICD 10 COde
    ICD 10 Code G71.2

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    Additional Information

    This is a prolonged shortening of the muscle or other soft tissue around a joint, preventing movement of the joint. It can be the result of high resistance to passive stretch of a muscle, resulting from fibrosis of the tissue supporting the muscles or the joints, or from disorder of the muscle fibers.

    Signs And Symptoms

  • Contracture (morphologic abnormality)
  • Abbreviated Terms

  • paralytic contracture of muscle
  • muscle cicatrix with contracture
  • Related ICD 10 COde
    ICD 10 Code M62.4

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    Abbreviated Terms

  • injury of muscle of head
  • Related ICD 10 COde
    ICD 10 Code S09.1

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    Certain specified primary disorders of muscles

    Generalised peripheral nerve hyperexcitability are a heterogeneous group of disorders presenting as involuntary, continuous muscle overactivity. The clinical presentation can include muscle cramps, fasciculations, myokymia (undulating movements of the skin surface), and pseudomyotonia (delayed relaxation after a contraction). There are many peripheral nerve hyperexcitability syndromes, with different pathogenesis that include both genetic and acquired disorders. The most well-known is Isaacs syndrome, often called acquired neuromyotonia.

    Also Known As

  • generalised peripheral nerve hyperexcitability
  • hereditary neuromyotonia
  • Related ICD 10 COde
    ICD 10 Code G71.8

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    Congenital myopathies

    Specific muscle disorders present at birth. The defect primarily affects skeletal muscle fibres and causes neonatal muscular weakness and/or hypotonia.
    Related ICD 10 COde
    ICD 10 Code G71.2

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    Congenital myopathy with no structural abnormalities

    Disorder of skeletal muscle with weakness and hypotonia present at birth or shortly thereafter, generally slow or absent progression of motor symptoms and frequent skeletal abnormalities, including congenital hip dislocation, joint contractures, foot deformities and kyphoscoliosis (Brooke, 1973). The characteristic histochemical pattern on muscle biopsy consists of a predominance of type 1 fibres, which are at least 12% smaller than type 2 fibres, the latter being normal or hypertrophic. Sporadic and familial cases, consistent with both autosomal dominant and recessive inheritance, have been reported.
    Related ICD 10 COde
    ICD 10 Code G71.2

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    Congenital myopathy with structural abnormalities

    Congenital myopathies marked by a morphological features of densely packed masses of thin filaments that occupy large areas of intracellular muscle fibres, which were shown by immunohistochemistry and immunoelectron microscopy to consist of actin.

    Abbreviated Terms

  • Actin myopathy
  • Related ICD 10 COde
    ICD 10 Code G71.2

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    Diseases of neuromuscular junction or muscle

    This is a group of conditions in which the muscle fibers are dysfunctional, resulting in muscle weakness. The myopathy is caused by an underlying disorder.

    Organ Affected

    Skeletal and/or smooth muscle structure (body structure)
    Related ICD 10 COde
    ICD 10 Code G72

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    Disorders of muscle tone of newborn

    A pediatric condition characterized by abnormally decreased muscle tone that is present at birth in a newborn.

    Signs And Symptoms

  • Poor muscle tone (finding)
  • Organ Affected

    Skeletal and/or smooth muscle structure (body structure)

    Abbreviated Terms

  • Nonspecific floppy baby syndrome
  • benign congenital hypotonia
  • congenital atonia
  • congenital atonic pseudoparalysis
  • congenital hypotonicity
  • congenital hypotony
  • congenital atony
  • Also Known As

  • floppy baby
  • floppy baby syndrome
  • floppy infant
  • floppy infant syndrome
  • Related ICD 10 COde
    ICD 10 Code P94.2

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    Also Known As

  • Disorders of muscle in diseases classified elsewhere
  • Related ICD 10 COde
    ICD 10 Code M63

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    Glycogen storage disease due to LAMP-2 deficiency

    Glycogen storage myopathy with noram acid maltase.
    Related ICD 10 COde
    ICD 10 Code G71.8

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    Abbreviated Terms

  • injury of muscle of thorax
  • Related ICD 10 COde
    ICD 10 Code S29.0

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    Related ICD 10 COde
    ICD 10 Code S76.2

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    Related ICD 10 COde
    ICD 10 Code S66.5

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    Related ICD 10 COde
    ICD 10 Code S29.0

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    Abbreviated Terms

  • injury pf intrinsic muscle of finger, at wrist and hand level
  • Related ICD 10 COde
    ICD 10 Code S66.5

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    Related ICD 10 COde
    ICD 10 Code S09.1

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    Related ICD 10 COde
    ICD 10 Code S76.0

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    Related ICD 10 COde
    ICD 10 Code S76.3

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    Related ICD 10 COde
    ICD 10 Code S76.0

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    Related ICD 10 COde
    ICD 10 Code S76.1

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    Ischaemic infarction of muscle

    Skeletal muscle breakdown with leakage of muscle contents, frequently accompanied by myoglobinuria, occurring in both adult and pediatric populations with no identifiable cause. The attacks are often recurrent. Renal failure due to tubular necrosis is a severe complication.
    Related ICD 10 COde
    ICD 10 Code G71.8

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    Multi-minicore disease

    Congenital myopathy characterized by the presence in most muscle fibers of multiple minicores, which are poorly circumscribed, segmentary lesions spreading only a few sarcomeres along the fiber longitudinal axis and affecting both type 1 and type 2 fibers. The moderate form with hand involvement consists of generalized muscle weakness predominating in the pelvic girdle and including hand weakness, amyotrophy, and hyperlaxity; scoliosis and respiratory involvement are mild or absent.
    Related ICD 10 COde
    ICD 10 Code G71.2

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    Myotonia congenita, dominant

    Potassium-aggravated myotonia is a muscular channelopathy presenting with a pure myotonia dramatically aggravated by potassium ingestion, with variable cold sensitivity and no episodic weakness. This group includes three forms: myotonia fluctuans, myotonia permanens, and acetazolamide-responsive myotonia.
    Related ICD 10 COde
    ICD 10 Code G71.1

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    Myotonia congenita

    Autosomal dominant myotonia congenita (Thomsen disease) is a non-dystrophic muscle disorder caused by mutation in the gene encoding skeletal muscle chloride channel-1 (CLCN1). It is clinically characterized by muscle stiffness and an inability of the muscle to relax after voluntary contraction.

    Abbreviated Terms

  • congenital myotonia, autosomal dominant form
  • Chloride channel disorders, autosomal dominant inheritance
  • dominant myotonia congenita
  • Thomsen disease
  • Thomsen myotonia congenita
  • myotonia congenita, autosomal dominant form
  • Also Known As

  • Thomsen disease, dominant
  • Related ICD 10 COde
    ICD 10 Code G71.1

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    Myotonic disorders

    Schwartz-Jampel syndrome is a congenital myotonic syndrome characterised by myotonia that results in a characteristic facies with blepharophimosis and a puckered facial appearance, and osteoarticular abnormalities leading to limited joint mobility.

    Also Known As

  • Schwartz-Jampel syndrome
  • Related ICD 10 COde
    ICD 10 Code G71.1

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    Myotonic dystrophy type 1

    Congenital myotonic dystrophy (CDM) is a muscle disorder characterised by severe hypotonia and weakness at birth,often with respiratory insufficiency. Severe form demonstrates a unique ??????biphasic?????? course, hereby neonatal symptoms improve or stabilise in surviving neonates, before adult-type symptoms present in later life.

    Also Known As

  • CDM - (congenital myotonic dystrophy)
  • Related ICD 10 COde
    ICD 10 Code G71.1

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    Myotonic dystrophy

    Proximal myotonic myopathy is a multisystemic disease characterised by the association of proximal muscle weakness with myotonia, cardiac manifestations and cataract.

    Also Known As

  • PROMM - [proximal myotonic myopathy]
  • Related ICD 10 COde
    ICD 10 Code G71.1

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    Nemaline myopathy

    Severe congenital nemaline myopathy is a severe form of nemaline myopathy characterized by severe hypotonia with little spontaneous movement in neonates.
    Related ICD 10 COde
    ICD 10 Code G71.2

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    Neurological disorders specific to the perinatal or neonatal period

    A group of pediatric conditions characterized by abnormal muscle tone in a newborn.

    Organ Affected

    Skeletal and/or smooth muscle structure (body structure)
    Related ICD 10 COde
    ICD 10 Code P94

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    Related ICD 10 COde
    ICD 10 Code M79.8

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    Potassium-aggravated myotonia

    Myotonia fluctuans is a form of potassium-aggravated myotonia which is cold insensitive, dramatically fluctuating and profoundly worsened by potassium ingestion.
    Related ICD 10 COde
    ICD 10 Code G71.1

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    Primary disorders of muscles

    Group of inherited muscular disorders associated with clinical and/or electrical myotonia. Myotonia is defined clinically as the occurrence of ??????delayed relaxation of muscle after voluntary contraction or percussion.??????

    Signs And Symptoms

  • Myotonia (finding)
  • Where It Occurs

    Muscular System

    Organ Affected

    Skeletal and/or smooth muscle structure (body structure)

    Abbreviated Terms

  • continuous muscle fibre activity
  • myotonia atrophica
  • myotonic chondrodystrophy
  • paramyotonia
  • symptomatic myotonia
  • Eulenburg disease
  • Eulenburg syndrome
  • Gamstorp-Wohlfart syndrome
  • Also Known As

  • myotonic disease
  • Related ICD 10 COde
    ICD 10 Code G71.1

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    Progressive ossification of skin, skeletal muscle, fascia, tendons or ligaments

    This is an extremely rare disease of the connective tissue where a mutation of the body's repair mechanism causes fibrous tissue (including muscle, tendon, and ligament) to be ossified when damaged.

    Additional Information

    Fibrodysplasia ossificans progressiva (FOP) is an extremely rare autosomal dominant form of connective tissue disorder characterized by congenital malformation of the great toes and progressive, disabling heterotopic osteogenesis in predictable anatomical patterns. Heterotopic bone formations lead to a debilitating, progressive ankylosis of the trunk, limbs and jaw. The mechanism by which bone forms out of muscles, tendons and ligaments is still poorly understood, but bone morphogenetic proteins (BMP), and particularly BMP4, are likely to play a direct or indirect role. The unraveling of the genetic defect is still hampered by the paucity of multigenerational families. Linkage studies suggest the FOP locus maps to chrosomome 4. A putative genetic heterogeneity, once hypothesized, has not been confirmed. Genetic counseling for FOP is difficult because of the absence of specific biological markers or reliable linkage studies. The risk of having a second affected child is nevertheless limited in a given family with a sporadic case. Therapeutic measures are essentially preventive and aimed at reducing the impact of trauma and falls and iatrogenic complications.

    Signs And Symptoms

  • Inflammation (qualifier value)
  • Inflammation (morphologic abnormality)
  • Organ Affected

    Skeletal and/or smooth muscle structure (body structure)

    Abbreviated Terms

  • polymyositis ossificans
  • myositis ossificans associated with dermatopolymyositis
  • Also Known As

  • Myositis ossificans progressiva
  • Man of stone
  • diffuse progressive ossifying polymyositis
  • fibrodysplasia ossificans congenita
  • myositis ossificans progressiva, site unspecified
  • M???nchmeyer disease
  • progressive myositis ossificans
  • FOP - [fibrodysplasia ossificans progressiva]
  • progressive myositis ossificans calcification
  • Related ICD 10 COde
    ICD 10 Code M61.1

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    Secondary myopathies

    Autoimmune myopathy is a subgroup of idiopathic inflammatory myopathies, which despite diverse causes, have the common histopathological features of myocyte necrosis without significant inflammation. Patients present with a subacute severe symmetrical proximal myopathy, associated with a markedly elevated creatine kinase level. These are most likely immune-mediated, as they respond to immunotherapy. it is often accompanied by statin therapy, connective tissue diseases, cancer, and autoantibodies specific for signal recognition particle (SRP) or 3-hydroxy-3-methylglutaryl??????ǣcoenzyme A reductase (HMGCR).
    Related ICD 10 COde
    ICD 10 Code G72

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    Secondary myopathy

    Other secondary myopathy, not elsewhere classified is a muscle disease that occur in the context of another, usually systemic disorder that is not classified among the known causes of secondary myopathy.
    Related ICD 10 COde
    ICD 10 Code G72.8

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    Specified soft tissue disorders, not elsewhere classified

    This is a disorder characterized by pain in a muscle or group of muscles.

    Signs And Symptoms

  • Pain (finding)
  • Organ Affected

    Skeletal and/or smooth muscle structure (body structure)

    Abbreviated Terms

  • intercostal myalgia
  • Also Known As

  • muscle ache
  • muscle soreness
  • muscular pain
  • myalgic
  • myodynia
  • myoneuralgia
  • myosalgia
  • muscle pain
  • Related ICD 10 COde
    ICD 10 Code M79.1

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