2023 ICD-10-CM Diagnosis Code M87.9

Osteonecrosis, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • M87.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM M87.9 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of M87.9 - other international versions of ICD-10 M87.9 may differ.
Applicable To
  • Necrosis of bone NOS
The following code(s) above M87.9 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 M87.9:
  • M00-M99
    2023 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
    2023 ICD-10-CM Range M86-M90

    Other osteopathies

    Type 1 Excludes
    • postprocedural osteopathies (M96.-)
    Other osteopathies
  • M87
    ICD-10-CM Diagnosis Code M87


      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    • avascular necrosis of bone
    Type 1 Excludes
    • juvenile osteonecrosis (M91-M92)
    • osteochondropathies (M90-M93)
    Use Additional
    • code to identify major osseous defect, if applicable (M89.7-)
Approximate Synonyms
  • Bone necrosis
  • Osteonecrosis
Clinical Information
  • Death of a bone or part of a bone
  • Death of a bone or part of a bone, either atraumatic or posttraumatic.
  • Death of bone tissue due to traumatic or nontraumatic causes.
  • Osteonecrosis occurs when your bones lose their blood supply. The bones die and eventually collapse, leading to pain and arthritis. You can have osteonecrosis in one or several bones. It is most common in the upper leg. Other common sites are your upper arm and your knees, shoulders and ankles. The disease can affect men and women of any age, but it usually strikes in your thirties, forties or fifties. Early in the disease you might not have any symptoms. Later, you will probably have joint pain that becomes more severe as the disease gets worse. No one is sure what causes the disease. Risk factors include
    • long-term steroid treatment
    • alcohol abuse
    • joint injuries
    • having certain diseases, including arthritis and cancer
    treatments include medicines, using crutches, limiting activities that put weight on the affected joints, electrical stimulation and surgery. nih: national institute of arthritis and musculoskeletal and skin diseases
ICD-10-CM M87.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 553 Bone diseases and arthropathies with mcc
  • 554 Bone diseases and arthropathies without mcc

Convert M87.9 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to M87.9:

ICD-10-CM Codes Adjacent To M87.9
M87.872 Other osteonecrosis, left ankle
M87.873 Other osteonecrosis, unspecified ankle
M87.874 Other osteonecrosis, right foot
M87.875 Other osteonecrosis, left foot
M87.876 Other osteonecrosis, unspecified foot
M87.877 Other osteonecrosis, right toe(s)
M87.878 Other osteonecrosis, left toe(s)
M87.879 Other osteonecrosis, unspecified toe(s)
M87.88 …… other site
M87.89 …… multiple sites
M87.9 Osteonecrosis, unspecified
M88 Osteitis deformans [Paget's disease of bone]
M88.0 Osteitis deformans of skull
M88.1 Osteitis deformans of vertebrae
M88.8 Osteitis deformans of other bones
M88.81 Osteitis deformans of shoulder
M88.811 Osteitis deformans of right shoulder
M88.812 Osteitis deformans of left shoulder
M88.819 Osteitis deformans of unspecified shoulder
M88.82 Osteitis deformans of upper arm
M88.821 Osteitis deformans of right upper arm

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