1. ICD-10-CM Codes
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2. G00-G99
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3. G70-G73
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4. G72-
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5. 2023 ICD-10-CM Diagnosis Code G72.3

2023 ICD-10-CM Diagnosis Code G72.3

Periodic paralysis

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

• G72.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2023 edition of ICD-10-CM G72.3 became effective on October 1, 2022.
• This is the American ICD-10-CM version of G72.3 - other international versions of ICD-10 G72.3 may differ.

• Familial periodic paralysis
• Periodic paralysis, familial

• A group of genetic neurological disorders caused by mutations in genes involved in the sodium and calcium channels in nerve cells. It is characterized by episodes of muscle paralysis in which the affected muscles become flaccid and the deep tendon reflexes disappear. Between the episodes the affected muscles usually work normally.
• A heterogenous group of inherited disorders characterized by recurring attacks of rapidly progressive flaccid paralysis or myotonia. These conditions have in common a mutation of the gene encoding the alpha subunit of the sodium channel in skeletal muscle. They are frequently associated with fluctuations in serum potassium levels. Periodic paralysis may also occur as a non-familial process secondary to thyrotoxicosis and other conditions. (from Adams et al., Principles of Neurology, 6th ed, p1481)
• An autosomal dominant familial disorder characterized by recurrent episodes of skeletal muscle weakness associated with falls in serum potassium levels. The condition usually presents in the first or second decade of life with attacks of trunk and leg paresis during sleep or shortly after awakening. Symptoms may persist for hours to days and generally are precipitated by exercise or a meal high in carbohydrates. (Adams et al., Principles of Neurology, 6th ed, p1483)
• An autosomal dominant familial disorder which presents in infancy or childhood and is characterized by episodes of weakness associated with hyperkalemia. During attacks, muscles of the lower extremities are initially affected, followed by the lower trunk and arms. Episodes last from 15-60 minutes and typically occur after a period of rest following exercise. A defect in skeletal muscle sodium channels has been identified as the cause of this condition. Normokalemic periodic paralysis is a closely related disorder marked by a lack of alterations in potassium levels during attacks of weakness. (Adams et al., Principles of Neurology, 6th ed, p1481)
• An autosomal dominant inherited or genetic disorder characterized by irregular episodes of muscle weakness or paralysis which are always accompanied by low levels of potassium in the blood.
• Heterogenous group of inherited disorders characterized by recurring attacks of rapidly progressive flaccid paralysis or myotonia; these conditions have in common a mutation of the gene encoding the alpha subunit of the sodium channel in skeletal muscle; frequently associated with fluctuations in serum potassium levels; periodic paralysis may also occur as a non-familial process secondary to thyrotoxicosis and other conditions.

• 091 Other disorders of nervous system with mcc
• 092 Other disorders of nervous system with cc
• 093 Other disorders of nervous system without cc/mcc

Convert G72.3 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change

• Type 1 Excludes: E87
  ICD-10-CM Diagnosis Code E87

  Other disorders of fluid, electrolyte and acid-base balance

  2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code

  Type 1 Excludes

  • diabetes insipidus (E23.2)
  • electrolyte imbalance associated with hyperemesis gravidarum (O21.1)
  • electrolyte imbalance following ectopic or molar pregnancy (O08.5)
  • familial periodic paralysis (G72.3)

• Adynamia G72.3 (episodica) (hereditary) (periodic)
• Cavare's disease G72.3 (familial periodic paralysis)
• Disease, diseased - see also Syndrome
  • Cavare's G72.3 (familial periodic paralysis)
  • familial periodic paralysis G72.3
  • Gamstorp's G72.3 (adynamia episodica hereditaria)
• Gamstorp's disease G72.3 (adynamia episodica hereditaria)
• Paralysis, paralytic (complete) (incomplete) G83.9
  ICD-10-CM Diagnosis Code G83.9

  Paralytic syndrome, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • familial (recurrent) (periodic) G72.3
  • hyperkalemic periodic G72.3 (familial)
  • hypokalemic periodic G72.3
  • normokalemic periodic G72.3
  • periodic G72.3 (familial) (hyperkalemic) (hypokalemic) (myotonic) (normokalemic) (potassium sensitive) (secondary)

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.