Diagnosis Code: R56.9

Short Description: Unspecified convulsions

Long Description: Unspecified convulsions

The code R56.9 is VALID for claim submission

Code Classification:

• Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
  • General symptoms and signs (R50-R69)
    • Convulsions, not elsewhere classified (R56)
      • R56.9 Unspecified convulsions

Code Version: 2022 ICD-10-CM

Synonyms

• 1 to 12 seizures a year
• 1 to 7 seizures a week
• 2 to 4 seizures a month
• Acute repetitive seizure
• Acute seizure due to infection of central nervous system
• Afebrile seizure
• Central convulsion
• Childhood obesity
• Cortical blindness
• Daily seizures
• Disorder of lysine and hydroxylysine metabolism
• Early-onset seizures, distal limb anomalies, facial dysmorphism, global developmental delay syndrome
• EEG abnormality with seizure
• Emergency epilepsy treatment since last appointment
• Epileptic cry
• Fall due to seizure
• Familial psoriasis
• Folinic acid responsive seizure syndrome
• Global developmental delay, neuro-ophthalmological abnormalities, seizures, intellectual disability syndrome
• Hereditary cerebellar atrophy
• Hypoglycemia-induced convulsion
• Intellectual disability, seizures, abnormal gait, facial dysmorphism syndrome
• Intellectual disability, seizures, hypotonia, ophthalmologic, skeletal anomalies syndrome
• Intellectual disability, seizures, macrocephaly, obesity syndrome
• Left ventricular myocardial noncompaction cardiomyopathy
• Lethal left ventricular non-compaction, seizures, hypotonia, cataract, developmental delay syndrome
• Lowered convulsive threshold
• Many seizures a day
• Microcephaly, seizure, intellectual disability, heart disease syndrome
• Neurodevelopmental delay, seizures, ophthalmic anomalies, osteopenia, cerebellar atrophy syndrome
• Osteogenesis imperfecta, retinopathy, seizures, intellectual disability syndrome
• Perceptual disturbance due to alcohol withdrawal
• Perceptual disturbances and seizures co-occurrent and due to alcohol withdrawal
• Perceptual disturbances and seizures co-occurrent and due to hypnotic withdrawal
• Perceptual disturbances and seizures co-occurrent and due to psychoactive substance withdrawal
• Perceptual disturbances and seizures co-occurrent and due to psychoactive substance withdrawal
• Perceptual disturbances and seizures co-occurrent and due to psychoactive substance withdrawal
• Perceptual disturbances and seizures co-occurrent and due to psychoactive substance withdrawal
• Perceptual disturbances and seizures co-occurrent and due to sedative withdrawal
• Perceptual disturbances co-occurrent and due to hypnotic withdrawal
• Perceptual disturbances co-occurrent and due to psychoactive substance withdrawal
• Perceptual disturbances co-occurrent and due to psychoactive substance withdrawal
• Perceptual disturbances co-occurrent and due to psychoactive substance withdrawal
• Perceptual disturbances co-occurrent and due to psychoactive substance withdrawal
• Perceptual disturbances co-occurrent and due to sedative withdrawal
• Post-ictal state
• Post-ictal state
• Postseizure headache
• Posttraumatic seizure
• Primary hyperaldosteronism, seizures, neurological abnormalities syndrome
• Progressive microcephaly, seizures, cortical blindness, developmental delay syndrome
• Raised convulsive threshold
• Recurrent seizure
• Seizure
• Seizure co-occurrent and due to hypnotic withdrawal
• Seizure co-occurrent and due to psychoactive substance withdrawal
• Seizure co-occurrent and due to psychoactive substance withdrawal
• Seizure co-occurrent and due to psychoactive substance withdrawal
• Seizure co-occurrent and due to psychoactive substance withdrawal
• Seizure co-occurrent and due to psychoactive substance withdrawal
• Seizure co-occurrent and due to psychoactive substance withdrawal
• Seizure co-occurrent and due to sedative withdrawal
• Seizure co-occurrent and due to sedative withdrawal
• Seizure co-occurrent and due to substance withdrawal
• Seizure co-occurrent and due to substance withdrawal
• Seizure co-occurrent and due to substance withdrawal
• Seizure co-occurrent and due to substance withdrawal
• Seizure co-occurrent and due to substance withdrawal
• Seizure co-occurrent and due to substance withdrawal
• Seizure co-occurrent and due to substance withdrawal
• Seizure disorder
• Seizure disorder as sequela of stroke
• Seizures and intellectual disability due to hydroxylysinuria
• Seizures complicating infection
• Seizures complicating infection
• Single seizure
• Single seizure
• Single seizure due to remote cause
• Single unprovoked seizure
• Situation-related seizures
• Situation-related seizures
• Situation-related seizures
• Tetanic convulsion
• Uremic convulsion
• Ventricular myocardial noncompaction cardiomyopathy
• X-linked intellectual disability with seizure and psoriasis syndrome

Diagnostic Related Group(s)

The code R56.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

• Seizures With Mcc (100)
• Seizures Without Mcc (101)

References to Index of Diseases and Injuries

The code R56.9 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Inclusion Terms:
  • Convulsion disorder
  • Fit NOS
  • Recurrent convulsions
  • Seizure(s) (convulsive) NOS

Crosswalk Information

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This page was last updated on: 10/1/2023

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