Billable / Specific Code
ICD-10-CM M87.378 is the diagnosis code for Other secondary osteonecrosis, left toe(s). 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.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where M87.378 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, M87.378 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
M87.378 is the ICD-10-CM diagnosis code for "Other secondary osteonecrosis, left toe(s)". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of M87.378 is M87.37 ("Other secondary osteonecrosis, ankle and foot"). M87.378 provides a more specific classification within this category.
M87.378 is located in Section M86-M90 — "Other osteopathies" within Chapter 13 of the ICD-10-CM Tabular List.
Use M87.378 when the patients documented diagnosis matches "Other secondary osteonecrosis, left toe(s)" 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 Other secondary osteonecrosis, left toe(s) is M87.378.
Yes, M87.378 can be used as a primary diagnosis code since it is billable and specific.
M87.378 is in Chapter 13 of the ICD-10-CM Tabular List.
Yes, M87.378 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.