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ICD-10-CM Current in FY 2027

M87.073

Idiopathic aseptic necrosis of unspecified ankle

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where M87.073 sits in the official hierarchy. Each level is the code it is classified under.

  1. M87 Osteonecrosis
  2. M87.0 Idiopathic aseptic necrosis of bone
  3. M87.07 Parent Idiopathic aseptic necrosis of ankle, foot and toes
  4. M87.073 This code Idiopathic aseptic necrosis of unspecified ankle

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

avascular necrosis of bone

Inherited from M87 — Osteonecrosis

Excludes1

juvenile osteonecrosis (M91-M92)

Inherited from M87 — Osteonecrosis

Excludes1

osteochondropathies (M90-M93)

Inherited from M87 — Osteonecrosis

Use Additional Code

code to identify major osseous defect, if applicable ( M89.7- )

Inherited from M87 — Osteonecrosis

Version History

How M87.073 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Idiopathic aseptic necrosis of unspecified ankle

  2. FY 2026 Effective

    Unchanged

    Idiopathic aseptic necrosis of unspecified ankle

Related Codes

Other codes under M87.07

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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