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ICD-10-CM Codes M00-M99 M86-M90 M86 M86.9
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2025 Osteomyelitis ICD 10 Code M86.9

Effective Date: 10/01/2015 To 09/30/2025

Osteomyelitis, unspecified

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
39 92 -- -- -- -- Acute No
Applicable To for M86.9:

  • Infection of bone NOS

  • Periostitis without osteomyelitis

Back-references to M86.9
  • Osteomyelitis(general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) M86.9
    • Related Medications for M86.9

    • ceftriaxone, ciprofloxacin, dicloxacillin, imipenem, nafcillin, oxacillin, piperacillin, vancomycin, ertapenem

    Chapter, Section and Diagnosis Prefix for M86.9
      M00-M99 :

      Diseases of the musculoskeletal system and connective tissue

      M86-M90 :

      Other osteopathies

      M86 :

      Osteomyelitis

    What is Osteomyelitis ICD 10?

    Osteomyelitis ICD 10 (M86.9) is also known as Osteomyelitis Left Foot ICD 10, Osteomyelitis Right Foot ICD 10 or Left Foot Osteomyelitis ICD 10, and it is a serious bone marrow infection caused by bacteria or fungi, typically spreading from a skin wound or surgery site to the bones via the bloodstream. It can lead to permanent bone damage. Osteomyelitis is the type of an infection in a bone, which can occur through the bloodstream or by spreading from nearby tissue.

    Causes of Osteomyelitis Left Foot ICD 10 (M86.9):

    Most cases are caused by staphylococcus bacteria. Germs can enter the bone through the bloodstream, severe puncture wounds, exposed fractures, or during surgeries.

    Symptoms for Osteomyelitis Left Foot ICD 10:

    • Fever
    • General feeling of being unwell
    • Bone pain
    • Chills
    • Sweating
    • Nausea and vomiting
    • Skin discoloration
    • Swelling and warmth over the affected area
    • Pus or discharge if the infection is near a wound or surgery site

    Diagnostics for Osteomyelitis Right Foot ICD 10:

    • Blood tests:

      Detect elevated white blood cells and infection markers.

    • Imaging tests:

      • X-rays:

        Show bone damage after weeks of infection.

      • MRI:

        Provides detailed images of bones and surrounding soft tissues.

      • CT scan:

        Combines X-ray images for detailed cross-sectional views.

    • Bone biopsy:

      Identifies the specific germ causing the infection.

    Treatment for Left Foot Osteomyelitis ICD 10:

    • Surgery:

      Removes infected or dead bone tissue, drains abscesses, and restores blood flow.

    • Medications:

      Antibiotics to treat the infection, usually administered intravenously.

    • Supportive care:

      Pain management, immobilization of the affected area, and rehabilitation.

    Types of Osteomyelitis ICD 10:

    • Acute Osteomyelitis:

      The most common type, it occurs when an infection spreads to the bones.

    • Vertebral Osteomyelitis:

      This type affects the vertebrae in the spine.

    • Chronic Osteomyelitis:

      Occurs when bone infections aren't fully cured and can recur months or years later.