ICD-10-CM Code G83.9

Paralytic syndrome, unspecified

Version 2020 Billable Code

Valid for Submission

G83.9 is a billable code used to specify a medical diagnosis of paralytic syndrome, unspecified. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code G83.9 might also be used to specify conditions or terms like acute paralysis due to lesion of spinal cord, bilateral paresis, chronic paralysis due to lesion of spinal cord, complete bilateral paralysis, complete bilateral paresis, contracture of gastrocnemius muscle due to paralysis, etc

Short Description:Paralytic syndrome, unspecified
Long Description:Paralytic syndrome, unspecified

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code G83.9 are found in the index:

  • - Palsy - See Also: Paralysis; - G83.9


The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Acute paralysis due to lesion of spinal cord
  • Bilateral paresis
  • Chronic paralysis due to lesion of spinal cord
  • Complete bilateral paralysis
  • Complete bilateral paresis
  • Contracture of gastrocnemius muscle due to paralysis
  • Intermediate syndrome
  • Late effects of poliomyelitis
  • Paralysis
  • Paralysis due to lesion of spinal cord
  • Paralysis following electric shock
  • Paralysis present
  • Paralytic syndrome
  • Paralytic syndrome of all four limbs
  • Paralytic syndrome of both lower limbs
  • Paralytic syndrome of one limb
  • Paralytic syndrome on both sides of the body
  • Paralytic syndrome on one side of the body
  • Paresis as late effect of poliomyelitis
  • Partial bilateral paralysis
  • Spastic paralysis
  • Spastic paralysis due to birth injury
  • Spastic paralysis due to spinal birth injury
  • Spastic paresis
  • Spinal cord injury due to birth trauma
  • Spine injury due to birth trauma
  • Triparesis

Convert G83.9 to ICD-9

  • 344.9 - Paralysis NOS (Approximate Flag)

Code Classification

  • Diseases of the nervous system (G00–G99)
    • Cerebral palsy and other paralytic syndromes (G80-G83)
      • Other paralytic syndromes (G83)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Information for Patients


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.

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