2020 ICD-10-CM Diagnosis Code M86.8X9

Other osteomyelitis, unspecified sites

    2016 2017 2018 2019 2020 Billable/Specific Code
  • M86.8X9 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 M86.8X9 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M86.8X9 - other international versions of ICD-10 M86.8X9 may differ.
The following code(s) above M86.8X9 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 M86.8X9:
  • 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
  • M86.8
    ICD-10-CM Diagnosis Code M86.8

    Other osteomyelitis

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Brodie's abscess
    Other osteomyelitis
Approximate Synonyms
  • Diaphysitis
  • Osteomyelitis due to staphylococcus aureus
  • Sesamoiditis
  • Sesamoiditis (foot condition)
  • Staph aureus osteomyelitis
ICD-10-CM M86.8X9 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 M86.8X9 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
ICD-10-CM Codes Adjacent To M86.8X9
M86.8X Other osteomyelitis
M86.8X0 …… multiple sites
M86.8X1 …… shoulder
M86.8X2 …… upper arm
M86.8X3 …… forearm
M86.8X4 …… hand
M86.8X5 …… thigh
M86.8X6 …… lower leg
M86.8X7 …… ankle and foot
M86.8X8 …… other site
M86.8X9 …… unspecified sites
M86.9 Osteomyelitis, unspecified
M87 Osteonecrosis
M87.0 Idiopathic aseptic necrosis of bone
M87.00 Idiopathic aseptic necrosis of unspecified bone
M87.01 Idiopathic aseptic necrosis of shoulder
M87.011 Idiopathic aseptic necrosis of right shoulder
M87.012 Idiopathic aseptic necrosis of left shoulder
M87.019 Idiopathic aseptic necrosis of unspecified shoulder
M87.02 Idiopathic aseptic necrosis of humerus
M87.021 Idiopathic aseptic necrosis of right humerus

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