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ICD-10-CM Current in FY 2027

M90.579

Osteonecrosis in diseases classified elsewhere, unspecified ankle and foot

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

Hierarchy

Where M90.579 sits in the official hierarchy. Each level is the code it is classified under.

  1. M90 Osteopathies in diseases classified elsewhere
  2. M90.5 Osteonecrosis in diseases classified elsewhere
  3. M90.57 Parent Osteonecrosis in diseases classified elsewhere, ankle and foot
  4. M90.579 This code Osteonecrosis in diseases classified elsewhere, unspecified ankle and foot

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.

Excludes1

osteochondritis, osteomyelitis, and osteopathy (in):

Inherited from M90 — Osteopathies in diseases classified elsewhere

Excludes1

cryptococcosis ( B45.3 )

Inherited from M90 — Osteopathies in diseases classified elsewhere

Excludes1

diabetes mellitus (E08-E13 with .69-)

Inherited from M90 — Osteopathies in diseases classified elsewhere

Excludes1

gonococcal ( A54.43 )

Inherited from M90 — Osteopathies in diseases classified elsewhere

Excludes1

neurogenic syphilis ( A52.11 )

Inherited from M90 — Osteopathies in diseases classified elsewhere

Excludes1

renal osteodystrophy ( N25.0 )

Inherited from M90 — Osteopathies in diseases classified elsewhere

Excludes1

salmonellosis ( A02.24 )

Inherited from M90 — Osteopathies in diseases classified elsewhere

Excludes1

secondary syphilis ( A51.46 )

Inherited from M90 — Osteopathies in diseases classified elsewhere

Excludes1

syphilis (late) ( A52.77 )

Inherited from M90 — Osteopathies in diseases classified elsewhere

Code First

underlying disease, such as:

Inherited from M90.5 — Osteonecrosis in diseases classified elsewhere

Code First

caisson disease ( T70.3 )

Inherited from M90.5 — Osteonecrosis in diseases classified elsewhere

Code First

hemoglobinopathy (D50-D64)

Inherited from M90.5 — Osteonecrosis in diseases classified elsewhere

Version History

How M90.579 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Osteonecrosis in diseases classified elsewhere, unspecified ankle and foot

  2. FY 2026 Effective

    Unchanged

    Osteonecrosis in diseases classified elsewhere, unspecified ankle and foot

Related Codes

Other codes under M90.57

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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