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ICD-10-CM Current in FY 2027

M23.000

Cystic meniscus, unspecified lateral meniscus, right knee

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

Hierarchy

Where M23.000 sits in the official hierarchy. Each level is the code it is classified under.

  1. M23 Internal derangement of knee
  2. M23.0 Cystic meniscus
  3. M23.00 Parent Cystic meniscus, unspecified meniscus
  4. M23.000 This code Cystic meniscus, unspecified lateral meniscus, right knee

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

ankylosis ( M24.66 )

Inherited from M23 — Internal derangement of knee

Excludes1

deformity of knee ( M21 .-)

Inherited from M23 — Internal derangement of knee

Excludes1

osteochondritis dissecans ( M93.2 )

Inherited from M23 — Internal derangement of knee

Excludes2

current injury - see injury of knee and lower leg (S80-S89)

Inherited from M23 — Internal derangement of knee

Excludes2

recurrent dislocation or subluxation of joints ( M24.4 )

Inherited from M23 — Internal derangement of knee

Excludes2

recurrent dislocation or subluxation of patella (M22.0-M22.1)

Inherited from M23 — Internal derangement of knee

Version History

How M23.000 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Cystic meniscus, unspecified lateral meniscus, right knee

  2. FY 2026 Effective

    Unchanged

    Cystic meniscus, unspecified lateral meniscus, right knee

Related Codes

Other codes under M23.00

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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