Periodic paralyses or disorders of muscle membrane excitability

Description

These are a group of disorders caused by malfunctioning of the ion channels in skeletal muscle membranes causing the cells to depolarize leading to weakness or paralysis. The common triggers include cold, heat, high carbohydrate meals, stress, excitement, physical exertion etc.

Exclusions from above levels

http://id.who.int/icd/entity/155258022 – Metabolic disorders
LD26.41 – Arthrogryposis multiplex congenita
05 – Endocrine, nutritional or metabolic diseases

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18 – Complications of pregnancy, childbirth and the puerperium
19 – Certain conditions originating in the perinatal period
22 – Injury, poisoning or certain other consequences of external causes

Child codes

8C74.0 – Paramyotonia congenita
8C74.1 – Periodic paralysis
8C74.Y – Other specified periodic paralyses or disorders of muscle membrane excitability
8C74.Z – Periodic paralyses or disorders of muscle membrane excitability, unspecified

Sibling codes

8C70 – Muscular dystrophy
8C71 – Myotonic disorders
8C72 – Congenital myopathies
8C73 – Mitochondrial myopathies
8C75 – Distal myopathies
8C76 – Myofibrillar myopathy
8C77 – Ocular myopathy
8C78 – Malignant hyperthermia or hyperpyrexia
8C7Y – Other specified primary disorders of muscles
8C7Z – Primary disorders of muscles, unspecified

Foundation entity

Periodic paralyses or disorders of muscle membrane excitability – http://id.who.int/icd/entity/1222696062

Allowed postcoordination axes

laterality

Part of: 08: Diseases of the nervous system