2021 ICD-10-CM Code S86.122A

Laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left leg, initial encounter

Version 2021
Billable Code
7th Character Code
Initial Code
MS-DRG Mapping

Valid for Submission

S86.122A is a billable diagnosis code used to specify a medical diagnosis of laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left leg, initial encounter. The code S86.122A is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.

S86.122A is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg level left leg. According to ICD-10-CM Guidelines an "initial encounter" doesn't necessarily means "initial visit". The 7th character should be used when the patient is undergoing active treatment regardless if new or different providers saw the patient over the course of a treatment. The appropriate 7th character codes should also be used even if the patient delayed seeking treatment for a condition.

ICD-10:S86.122A
Short Description:Lacerat musc/tend post grp at low leg level, left leg, init
Long Description:Laceration of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left leg, initial encounter

Code Classification

Convert S86.122A to ICD-9 Code

The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code S86.122A its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.

Information for Patients


Leg Injuries and Disorders

Your legs are made up of bones, blood vessels, muscles, and other connective tissue. They are important for motion and standing. Playing sports, running, falling, or having an accident can damage your legs. Common leg injuries include sprains and strains, joint dislocations, and fractures.

These injuries can affect the entire leg, or just the foot, ankle, knee, or hip. Certain diseases also lead to leg problems. For example, knee osteoarthritis, common in older people, can cause pain and limited motion. Problems in your veins in your legs can lead to varicose veins or deep vein thrombosis.


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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)