2020 ICD-10-CM Diagnosis Code M86.359

Chronic multifocal osteomyelitis, unspecified femur

    2016 2017 2018 2019 2020 Billable/Specific Code
  • M86.359 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM M86.359 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M86.359 - other international versions of ICD-10 M86.359 may differ.
The following code(s) above M86.359 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to M86.359:
  • M00-M99
    2020 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
    Type 2 Excludes
    • arthropathic psoriasis (L40.5-)
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • compartment syndrome (traumatic) (T79.A-)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the musculoskeletal system and connective tissue
  • M86-M90
    2020 ICD-10-CM Range M86-M90

    Other osteopathies

    Type 1 Excludes
    • postprocedural osteopathies (M96.-)
    Other osteopathies
  • M86
    ICD-10-CM Diagnosis Code M86


      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Type 2 Excludes
    Use Additional
    • code (B95-B97) to identify infectious agent
Approximate Synonyms
  • Chronic multifocal osteomyelitis of femur
ICD-10-CM M86.359 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 539 Osteomyelitis with mcc
  • 540 Osteomyelitis with cc
  • 541 Osteomyelitis without cc/mcc

Convert M86.359 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to M86.359:
  • Osteomyelitis (general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) M86.9
    ICD-10-CM Diagnosis Code M86.9

    Osteomyelitis, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Infection of bone NOS
    • Periostitis without osteomyelitis
    • chronic (or old) M86.60
      ICD-10-CM Diagnosis Code M86.60

      Other chronic osteomyelitis, unspecified site

        2016 2017 2018 2019 2020 Billable/Specific Code
      • hematogenous NEC M86.50
        ICD-10-CM Diagnosis Code M86.50

        Other chronic hematogenous osteomyelitis, unspecified site

          2016 2017 2018 2019 2020 Billable/Specific Code
        • multifocal M86.30
          ICD-10-CM Diagnosis Code M86.30

          Chronic multifocal osteomyelitis, unspecified site

            2016 2017 2018 2019 2020 Billable/Specific Code
          • ilium M86.359
          • ischium M86.359

ICD-10-CM Codes Adjacent To M86.359
M86.331 Chronic multifocal osteomyelitis, right radius and ulna
M86.332 Chronic multifocal osteomyelitis, left radius and ulna
M86.339 Chronic multifocal osteomyelitis, unspecified radius and ulna
M86.34 Chronic multifocal osteomyelitis, hand
M86.341 Chronic multifocal osteomyelitis, right hand
M86.342 Chronic multifocal osteomyelitis, left hand
M86.349 Chronic multifocal osteomyelitis, unspecified hand
M86.35 Chronic multifocal osteomyelitis, femur
M86.351 Chronic multifocal osteomyelitis, right femur
M86.352 Chronic multifocal osteomyelitis, left femur
M86.359 Chronic multifocal osteomyelitis, unspecified femur
M86.36 Chronic multifocal osteomyelitis, tibia and fibula
M86.361 Chronic multifocal osteomyelitis, right tibia and fibula
M86.362 Chronic multifocal osteomyelitis, left tibia and fibula
M86.369 Chronic multifocal osteomyelitis, unspecified tibia and fibula
M86.37 Chronic multifocal osteomyelitis, ankle and foot
M86.371 Chronic multifocal osteomyelitis, right ankle and foot
M86.372 Chronic multifocal osteomyelitis, left ankle and foot
M86.379 Chronic multifocal osteomyelitis, unspecified ankle and foot
M86.38 …… other site
M86.39 …… multiple sites

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.