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ICD-10-CM Current in FY 2027

Z42.1

Encounter for breast reconstruction following mastectomy

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

Hierarchy

Where Z42.1 sits in the official hierarchy. Each level is the code it is classified under.

  1. Z42 Parent Encounter for plastic and reconstructive surgery following medical procedure or healed injury
  2. Z42.1 This code Encounter for breast reconstruction following mastectomy

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

deformity and disproportion of reconstructed breast ( N65.1- )

Excludes1

encounter for cosmetic plastic surgery ( Z41.1 )

Inherited from Z42 — Encounter for plastic and reconstructive surgery following medical procedure or healed injury

Excludes1

encounter for plastic surgery for treatment of current injury - code to relevent injury

Inherited from Z42 — Encounter for plastic and reconstructive surgery following medical procedure or healed injury

Version History

How Z42.1 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Encounter for breast reconstruction following mastectomy

  2. FY 2026 Effective

    Unchanged

    Encounter for breast reconstruction following mastectomy

Related Codes

Other codes under Z42

Codes whose official notes reference Z42.1

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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