ICD-10 Diagnosis Code M21.612

Bunion of left foot

Diagnosis Code M21.612

ICD-10: M21.612
Short Description: Bunion of left foot
Long Description: Bunion of left foot
This is the 2017 version of the ICD-10-CM diagnosis code M21.612

Valid for Submission
The code M21.612 is valid for submission for HIPAA-covered transactions.

New 2017 ICD-10 Code
M21.612 is new to ICD-10 code set for the FY 2017, effective October 1, 2016.

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

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code M21.612 is grouped in the following Diagnostic Related Group(s) (MS-DRG V34.0)

  • 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 to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Replacement Code Additional informationCallout TooltipReplacement Code
The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2016. This is a new and revised code for the FY 2017 (October 1, 2016-September 30, 2017).

This code replaces the following previously assigned ICD-10 code(s) listed below:
  • M20.12 - Hallux valgus (acquired), left foot


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