ICD-10-CM Code R20.1

Hypoesthesia of skin

Version 2020 Billable Code No Valid Principal Dx

Valid for Submission

R20.1 is a billable code used to specify a medical diagnosis of hypoesthesia of skin. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code R20.1 might also be used to specify conditions or terms like cold sensation reduced, decreased skin sensitivity, finding of firm touch, heat sensation reduced, high pain threshold, hot-cold discrimination reduced, etc

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.

Short Description:Hypoesthesia of skin
Long Description:Hypoesthesia of skin

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 R20.1 are found in the index:


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

  • Cold sensation reduced
  • Decreased skin sensitivity
  • Finding of firm touch
  • Heat sensation reduced
  • High pain threshold
  • Hot-cold discrimination reduced
  • Hypesthesia
  • Hypoalgesia
  • Impaired firm touch sensation
  • Impaired light touch sensation
  • Impaired pin prick discrimination
  • Impaired touch discrimination
  • Increased pain threshold
  • O/E - hypesthesia present
  • O/E - pain sensation reduced
  • O/E - pain sense
  • On examination - temperature discrimination reduced
  • Reduced sensation of skin
  • Tactile hypesthesia
  • Thermal hypesthesia
  • Thermal hypesthesia

Convert R20.1 to ICD-9

  • 782.0 - Skin sensation disturb (Approximate Flag)

Code Classification

  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)
      • Disturbances of skin sensation (R20)

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

Peripheral Nerve Disorders

Your peripheral nerves are the ones outside your brain and spinal cord. Like static on a telephone line, peripheral nerve disorders distort or interrupt the messages between the brain and the rest of the body.

There are more than 100 kinds of peripheral nerve disorders. They can affect one nerve or many nerves. Some are the result of other diseases, like diabetic nerve problems. Others, like Guillain-Barre syndrome, happen after a virus infection. Still others are from nerve compression, like carpal tunnel syndrome or thoracic outlet syndrome. In some cases, like complex regional pain syndrome and brachial plexus injuries, the problem begins after an injury. Some people are born with peripheral nerve disorders.

Symptoms often start gradually, and then get worse. They include

  • Numbness
  • Pain
  • Burning or tingling
  • Muscle weakness
  • Sensitivity to touch

Treatment aims to treat any underlying problem, reduce pain and control symptoms.

NIH: National Institute of Neurological Disorders and Stroke

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