ICD-10 Code M20.012

Mallet finger of left finger(s)

Version 2020 Billable Code

Valid for Submission

M20.012 is a billable code used to specify a medical diagnosis of mallet finger of left finger(s). The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10 code M20.012 might also be used to specify conditions or terms like acquired mallet finger of bilateral hands or bilateral acquired deformity of finger of hands or bilateral acquired deformity of hands or mallet finger of left hand or mallet finger of right hand.

ICD-10:M20.012
Short Description:Mallet finger of left finger(s)
Long Description:Mallet finger of left finger(s)

Synonyms

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

  • Acquired mallet finger of bilateral hands
  • Bilateral acquired deformity of finger of hands
  • Bilateral acquired deformity of hands
  • Mallet finger of left hand
  • Mallet finger of right hand

Diagnostic Related Groups

The ICD-10 code M20.012 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 10/01/2020 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 M20.012 to ICD-9

  • 736.1 - Mallet finger (Approximate Flag)

Code Classification

  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Other joint disorders (M20-M25)
      • Acquired deformities of fingers and toes (M20)

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


Finger Injuries and Disorders

You use your fingers and thumbs to do everything from grasping objects to playing musical instruments to typing. When there is something wrong with them, it can make life difficult. Common problems include

  • Injuries that result in fractures, ruptured ligaments and dislocations
  • Osteoarthritis - wear-and-tear arthritis. It can also cause deformity.
  • Tendinitis - irritation of the tendons
  • Dupuytren's contracture - a hereditary thickening of the tough tissue that lies just below the skin of your palm. It causes the fingers to stiffen and bend.
  • Trigger finger - an irritation of the sheath that surrounds the flexor tendons. It can cause the tendon to catch and release like a trigger.

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