ICD-10-CM Code M86.361

Chronic multifocal osteomyelitis, right tibia and fibula

Version 2020 Billable Code

Valid for Submission

M86.361 is a billable code used to specify a medical diagnosis of chronic multifocal osteomyelitis, right tibia and fibula. The code is valid for the year 2020 for the submission of HIPAA-covered transactions.

ICD-10:M86.361
Short Description:Chronic multifocal osteomyelitis, right tibia and fibula
Long Description:Chronic multifocal osteomyelitis, right tibia and fibula

Diagnostic Related Groups

The ICD-10 code M86.361 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.

  • 485 - KNEE PROCEDURES WITH PDX OF INFECTION WITH MCC
  • 486 - KNEE PROCEDURES WITH PDX OF INFECTION WITH CC
  • 487 - KNEE PROCEDURES WITH PDX OF INFECTION WITHOUT CC/MCC

Convert M86.361 to ICD-9

  • 730.16 - Chr osteomyelit-l/leg (Approximate Flag)

Code Classification

  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Other osteopathies (M86-M90)
      • Osteomyelitis (M86)

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


Bone Infections

Like other parts of the body, bones can get infected. The infections are usually bacterial, but can also be fungal. They may spread to the bone from nearby skin or muscles, or from another part of the body through the bloodstream. People who are at risk for bone infections include those with diabetes, poor circulation, or recent injury to the bone. You may also be at risk if you are having hemodialysis.

Symptoms of bone infections include

  • Pain in the infected area
  • Chills and fever
  • Swelling, warmth, and redness

A blood test or imaging test such as an x-ray can tell if you have a bone infection. Treatment includes antibiotics and often surgery.


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