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ICD-10-CM Current in FY 2027

M87.173

Osteonecrosis due to drugs, unspecified ankle

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

Hierarchy

Where M87.173 sits in the official hierarchy. Each level is the code it is classified under.

  1. M87 Osteonecrosis
  2. M87.1 Osteonecrosis due to drugs
  3. M87.17 Parent Osteonecrosis due to drugs, ankle, foot and toes
  4. M87.173 This code Osteonecrosis due to drugs, 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 for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inherited from M87.1 — Osteonecrosis due to drugs

Use Additional Code

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

Inherited from M87 — Osteonecrosis

Version History

How M87.173 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Osteonecrosis due to drugs, unspecified ankle

  2. FY 2026 Effective

    Unchanged

    Osteonecrosis due to drugs, unspecified ankle

Related Codes

Other codes under M87.17

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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