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ICD-10-CM Current in FY 2027

N64.82

Hypoplasia of breast

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

Hierarchy

Where N64.82 sits in the official hierarchy. Each level is the code it is classified under.

  1. N64 Other disorders of breast
  2. N64.8 Parent Other specified disorders of breast
  3. N64.82 This code Hypoplasia of breast

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.

Inclusion Terms

Micromastia

Excludes1

congenital absence of breast ( Q83.0 )

Excludes1

hypoplasia of native breast in relation to reconstructed breast ( N65.1 )

Excludes2

mechanical complication of breast prosthesis and implant ( T85.4- )

Inherited from N64 — Other disorders of breast

Version History

How N64.82 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Hypoplasia of breast

  2. FY 2026 Effective

    Unchanged

    Hypoplasia of breast

Related Codes

Other codes under N64.8

Codes whose official notes reference N64.82

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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