Billable / Specific Code
ICD-10-CM M87.059 is the diagnosis code for Idiopathic aseptic necrosis of unspecified femur. This code falls under the section "Other osteopathies" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where M87.059 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, M87.059 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
M87.059 is the ICD-10-CM diagnosis code for "Idiopathic aseptic necrosis of unspecified femur". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of M87.059 is M87.05 ("Idiopathic aseptic necrosis of pelvis and femur"). M87.059 provides a more specific classification within this category.
M87.059 is located in Section M86-M90 — "Other osteopathies" within Chapter 13 of the ICD-10-CM Tabular List.
Use M87.059 when the patients documented diagnosis matches "Idiopathic aseptic necrosis of unspecified femur" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Idiopathic aseptic necrosis of unspecified femur is M87.059.
Yes, M87.059 can be used as a primary diagnosis code since it is billable and specific.
M87.059 is in Chapter 13 of the ICD-10-CM Tabular List.
Yes, M87.059 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.