1. ICD-10-CM Codes
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2. G00-G99
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3. G89-G99
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4. G93-
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5. 2023 ICD-10-CM Diagnosis Code G93.7

2023 ICD-10-CM Diagnosis Code G93.7

Reye's syndrome

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Pediatric Dx (0-17 years)

• G93.7 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 G93.7 became effective on October 1, 2022.
• This is the American ICD-10-CM version of G93.7 - other international versions of ICD-10 G93.7 may differ.

• G93.7 is applicable to pediatric patients aged 0 - 17 years inclusive.

• Reyes syndrome

• A form of encephalopathy with fatty infiltration of the liver, characterized by brain edema and vomiting that may rapidly progress to seizures; coma; and death. It is caused by a generalized loss of mitochondrial function leading to disturbances in fatty acid and carnitine metabolism.
• A rare disease that damages the brain and liver and causes death if not treated. It occurs most often in children younger than 15 years who have had a fever-causing virus, such as chickenpox or flu. Taking aspirin during a viral illness may increase the risk of reye syndrome.
• An acute and potentially fatal metabolic disorder characterized by cerebral edema, fatty liver and hypoglycemia. It occurs primarily in children and has been associated with the use of aspirin for the treatment of viral infections. However, it can also occur in the absence of aspirin use.
• Rare, acute, sometimes fatal disease of childhood, most often occurring as a sequel of varicella or a viral upper respiratory infection of childhood; marked by recurrent vomiting and elevated serum transaminase levels with distinctive changes in the liver and other viscera; an encephalopathic phase with acute brain swelling disturbances of consciousness and seizures may follow.
• Reye syndrome is a rare illness that can affect the blood, liver and brain of someone who recently had a viral infection. It always follows another illness. Although it mostly affects children and teens, anyone can get it. It can develop quickly and without warning. It is most common during flu season. Symptoms include
  • nausea and vomiting
  • listlessness
  • personality change - such as irritability, combativeness or confusion
  • delirium
  • convulsions
  • loss of consciousness
  if these symptoms occur soon after a viral illness, seek medical attention immediately. Reye syndrome can lead to a coma and brain death, so quick diagnosis and treatment are critical. Treatment focuses on preventing brain damage. There is no cure.the cause of reye syndrome is unknown. However, studies have shown that taking aspirin increases the risk of getting it. Because of that, health care professionals now recommend other pain relievers for young patients.

• 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 G93.7 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: G71.3
  , E88.4
  ICD-10-CM Diagnosis Code G71.3

  Mitochondrial myopathy, not elsewhere classified

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

  Type 1 Excludes

  • Kearns-Sayre syndrome (H49.81)
  • Leber's disease (H47.21)
  • Leigh's encephalopathy (G31.82)
  • mitochondrial metabolism disorders (E88.4.-)
  • Reye's syndrome (G93.7)
  ICD-10-CM Diagnosis Code E88.4

  Mitochondrial metabolism disorders

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

  Type 1 Excludes

  • disorders of pyruvate metabolism (E74.4)
  • Kearns-Sayre syndrome (H49.81)
  • Leber's disease (H47.22)
  • Leigh's encephalopathy (G31.82)
  • Mitochondrial myopathy, NEC (G71.3)
  • Reye's syndrome (G93.7)
• Type 2 Excludes: G31
  ICD-10-CM Diagnosis Code G31

  Other degenerative diseases of nervous system, not elsewhere classified

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

  Type 2 Excludes

  • Reye's syndrome (G93.7)

  Use Additional

  • For codes G31.0-G31.83, G31.85-G31.9, use additional code, if applicable, to identify:
  • dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)
  • dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)
  • dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)
  • dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)
  • dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)
  • mild neurocognitive disorder due to known physiological condition (F06.7-)

• Reye's syndrome G93.7
• Syndrome - see also Disease
  • Reye's G93.7

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