M87.86

Other osteonecrosis, tibia and fibula

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027

SourceCMS ICD-10-CM order file

ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODE	DESCRIPTION	TYPE
M87.861	Other osteonecrosis, right tibia	Billable
M87.862	Other osteonecrosis, left tibia	Billable
M87.863	Other osteonecrosis, unspecified tibia	Billable
M87.864	Other osteonecrosis, right fibula	Billable
M87.865	Other osteonecrosis, left fibula	Billable
M87.869	Other osteonecrosis, unspecified fibula	Billable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.