ICD-10-CM Code M21.6X2

Other acquired deformities of left foot

Version 2020 Billable Code

Valid for Submission

M21.6X2 is a billable code used to specify a medical diagnosis of other acquired deformities of left foot. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code M21.6X2 might also be used to specify conditions or terms like abduction deformity of the foot, abduction deformity of the foot, acquired calcaneovalgus deformity of left foot, acquired calcaneovalgus deformity of right foot, acquired cavovarus deformity of bilateral feet, acquired cavovarus deformity of foot, etc

ICD-10:M21.6X2
Short Description:Other acquired deformities of left foot
Long Description:Other acquired deformities of left foot

Synonyms

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

  • Abduction deformity of the foot
  • Abduction deformity of the foot
  • Acquired calcaneovalgus deformity of left foot
  • Acquired calcaneovalgus deformity of right foot
  • Acquired cavovarus deformity of bilateral feet
  • Acquired cavovarus deformity of foot
  • Acquired cavovarus deformity of foot
  • Acquired cavovarus deformity of left foot
  • Acquired cavus deformity of foot
  • Acquired cavus deformity of foot
  • Acquired cavus deformity of foot
  • Acquired cavus deformity of left foot
  • Acquired cavus deformity of right foot
  • Acquired deformity of bilateral ankles
  • Acquired deformity of left ankle
  • Acquired deformity of right ankle
  • Acquired left metatarsus adductus
  • Acquired metatarsus adductus
  • Acquired metatarsus adductus of bilateral feet
  • Acquired pronation deformity of ankle
  • Acquired pronation deformity of ankle
  • Acquired pronation deformity of left ankle
  • Acquired pronation deformity of right ankle
  • Adductus deformity of foot
  • Bilateral acquired calcaneovalgus deformity of feet
  • Bilateral acquired calcaneovarus deformity of feet
  • Bilateral acquired cavus deformity of feet
  • Bilateral acquired pronation deformity of ankles
  • Calcaneovalgus deformity of foot
  • Calcaneovalgus deformity of foot
  • Cavovarus deformity of foot
  • Cavovarus deformity of foot
  • Deformity of left foot co-occurrent and due to rheumatoid arthritis
  • Dorsiflexion deformity of foot
  • Dorsiflexion deformity of foot
  • Dorsiflexion deformity of foot
  • Plantarflexion deformity of bilateral feet
  • Plantarflexion deformity of foot
  • Plantarflexion deformity of foot
  • Plantarflexion deformity of left foot
  • Plantarflexion deformity of right foot
  • Varus deformities of feet

Diagnostic Related Groups

The ICD-10 code M21.6X2 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2019 through 09/30/2020.

  • 564 - OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH MCC
  • 565 - OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH CC
  • 566 - OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITHOUT CC/MCC

Convert M21.6X2 to ICD-9

  • 736.79 - Acq ankle-foot def NEC (Approximate Flag)

Code Classification

  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Other joint disorders (M20-M25)
      • Other acquired deformities of limbs (M21)

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


Foot Injuries and Disorders

Each of your feet has 26 bones, 33 joints, and more than 100 tendons, muscles, and ligaments. No wonder a lot of things can go wrong. Here are a few common problems:

  • Bunions - hard, painful bumps on the big toe joint
  • Corns and calluses - thickened skin from friction or pressure
  • Plantar warts - warts on the soles of your feet
  • Fallen arches - also called flat feet

Ill-fitting shoes often cause these problems. Aging and being overweight also increase your chances of having foot problems.


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