ICD-10 Diagnosis Code R29.818

Other symptoms and signs involving the nervous system

Diagnosis Code R29.818

ICD-10: R29.818
Short Description: Other symptoms and signs involving the nervous system
Long Description: Other symptoms and signs involving the nervous system
This is the 2018 version of the ICD-10-CM diagnosis code R29.818

Valid for Submission
The code R29.818 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29)
      • Oth symptoms and signs involving the nervous and ms systems (R29)

Information for Medical Professionals

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.
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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.

  • Abnormal decrease in quantity
  • Abnormal neurovascular status of distal limb
  • Arthropathy of the elbow associated with a neurological disorder
  • Barber's chair sign
  • Barber's chair sign positive
  • Bulging fontanelle
  • Central nervous system symptom
  • Cerebrospinal fluid flow finding
  • Chvostek sign positive
  • Congenital nystagmus
  • Congenital nystagmus with sensory abnormality
  • Crossed laterality
  • Decreased intracranial pressure adaptive capacity
  • Decreased pain threshold
  • Effects of lightning
  • Finding of intracranial pressure
  • Finding of intracranial pressure
  • Finding of level of fontanelle
  • Finding related to neurovascular status of limb
  • Flail arm
  • Flail motion
  • Fluctuation of cerebral spinal fluid
  • Hippocampal pressure groove
  • Inequality in size of cerebral ventricles
  • Low intracranial pressure
  • Low pain threshold
  • Midline shift of brain
  • Nervous system problem
  • Neurological deficit
  • Neurological drug side effects
  • Neurological injury from lightning
  • Neuronal depopulation
  • On examination - absence of sensation
  • On examination - optic disc pigmented
  • On examination - past pointing present
  • Pseudoparalysis
  • Pseudoparalysis
  • Pseudoparalysis due to generalized arthritis
  • Reduced flow of cerebrospinal fluid
  • Romberg's sign positive
  • Tinel's sign positive
  • Transient monoplegia

Information for Patients

Neurologic Diseases

Also called: Nervous system diseases

The brain, spinal cord, and nerves make up the nervous system. Together they control all the workings of the body. When something goes wrong with a part of your nervous system, you can have trouble moving, speaking, swallowing, breathing, or learning. You can also have problems with your memory, senses, or mood.

There are more than 600 neurologic diseases. Major types include

  • Diseases caused by faulty genes, such as Huntington's disease and muscular dystrophy
  • Problems with the way the nervous system develops, such as spina bifida
  • Degenerative diseases, where nerve cells are damaged or die, such as Parkinson's disease and Alzheimer's disease
  • Diseases of the blood vessels that supply the brain, such as stroke
  • Injuries to the spinal cord and brain
  • Seizure disorders, such as epilepsy
  • Cancer, such as brain tumors
  • infections, such as meningitis

  • Cerebral spinal fluid (CSF) collection (Medical Encyclopedia)
  • EEG (Medical Encyclopedia)

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