2021 ICD-10-CM Code S86.00

Unspecified injury of Achilles tendon

Version 2021
Non-Billable Code
Unspecified Code

Not Valid for Submission

S86.00 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of unspecified injury of achilles tendon. The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Unspecified diagnosis codes like S86.00 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

ICD-10:S86.00
Short Description:Unspecified injury of Achilles tendon
Long Description:Unspecified injury of Achilles tendon

Code Classification

Specific Coding for Unspecified injury of Achilles tendon

Header codes like S86.00 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for unspecified injury of achilles tendon:

  • S86.001 - Unspecified injury of right Achilles tendon
  • S86.001A - Unspecified injury of right Achilles tendon, initial encounter
  • S86.001D - Unspecified injury of right Achilles tendon, subsequent encounter
  • S86.001S - Unspecified injury of right Achilles tendon, sequela
  • S86.002 - Unspecified injury of left Achilles tendon
  • S86.002A - Unspecified injury of left Achilles tendon, initial encounter
  • S86.002D - Unspecified injury of left Achilles tendon, subsequent encounter
  • S86.002S - Unspecified injury of left Achilles tendon, sequela
  • S86.009 - Unspecified injury of unspecified Achilles tendon
  • S86.009A - Unspecified injury of unspecified Achilles tendon, initial encounter
  • S86.009D - Unspecified injury of unspecified Achilles tendon, subsequent encounter
  • S86.009S - Unspecified injury of unspecified Achilles tendon, sequela

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 S86.00 are found in the index:

Information for Patients


Heel Injuries and Disorders

Heel problems are common and can be painful. Often, they result from too much stress on your heel bone and the tissues that surround it. That stress can come from

These can lead to tendinitis, bursitis, and fasciitis, which are all types of inflammation of the tissues that surround your heel. Over time the stress can cause bone spurs and deformities. Certain diseases, such as rheumatoid arthritis and gout, can also lead to heel problems. Treatments for heel problems might include rest, medicines, exercises, taping, and special shoes. Surgery is rarely needed.


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)