ICD-10 Diagnosis Code G81.90

Hemiplegia, unspecified affecting unspecified side

Diagnosis Code G81.90

ICD-10: G81.90
Short Description: Hemiplegia, unspecified affecting unspecified side
Long Description: Hemiplegia, unspecified affecting unspecified side
This is the 2018 version of the ICD-10-CM diagnosis code G81.90

Valid for Submission
The code G81.90 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the nervous system (G00–G99)
    • Cerebral palsy and other paralytic syndromes (G80-G83)
      • Hemiplegia and hemiparesis (G81)

Information for Medical Professionals

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The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Alternating hypoglossal hemiplegia
  • Ataxic hemiparesis
  • Cerebral hemiparesis
  • Cerebral hemiplegia
  • Complete unilateral paralysis
  • Complete unilateral paresis
  • Crossed hemiparesis
  • Crossed hemiplegia
  • Facial hemiplegia
  • Hemiparesis
  • Hemiplegia
  • Hemiplegia of dominant side
  • Hemiplegia of nondominant side
  • Infantile hemiplegia
  • Left hemiparesis
  • Left hemiplegia
  • On examination - hemiplegia
  • Partial unilateral paralysis
  • Partial unilateral paresis
  • Residual hemiplegia
  • Right hemiparesis
  • Right hemiplegia
  • Spinal hemiparesis
  • Transient hemiplegia
  • Unilateral paresis

Information for Patients


Also called: Hemiplegia, Palsy, Paraplegia, Quadriplegia

Paralysis is the loss of muscle function in part of your body. It happens when something goes wrong with the way messages pass between your brain and muscles. Paralysis can be complete or partial. It can occur on one or both sides of your body. It can also occur in just one area, or it can be widespread. Paralysis of the lower half of your body, including both legs, is called paraplegia. Paralysis of the arms and legs is quadriplegia.

Most paralysis is due to strokes or injuries such as spinal cord injury or a broken neck. Other causes of paralysis include

  • Nerve diseases such as amyotrophic lateral sclerosis
  • Autoimmune diseases such as Guillain-Barre syndrome
  • Bell's palsy, which affects muscles in the face

Polio used to be a cause of paralysis, but polio no longer occurs in the U.S.

  • Hyperkalemic periodic paralysis (Medical Encyclopedia)
  • Hypokalemic periodic paralysis (Medical Encyclopedia)
  • Muscle function loss (Medical Encyclopedia)

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