MCMedicalCodingSoftware
T85.42XA

T85.42XA: Displacement of breast prosthesis and implant, initial encounter

Billable / specific codeICD-10-CM

T85.42XA is a billable, specific ICD-10-CM code for displacement of breast prosthesis and implant, initial encounter. It is valid for submission on a claim.

Check T85.42XA with the rest of the claim: free scrubber

7th character "A": initial encounter

The appropriate 7th character is to be added to each code from category T85

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Malposition of breast prosthesis and implant

Excludes2 inherited from the categories above T85.42XA

Not part of this code, but both may be coded when both are present.

Written on T85: Complications of other internal prosthetic devices, implants and grafts

  • failure and rejection of transplanted organs and tissue (T86.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

T85.42XA is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52849Billing and Coding: Breast Imaging: Breast Echography (Sonography)/Breast MRI/Ductography
  • A56448Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography
  • A56587Billing and Coding: Cosmetic and Reconstructive Surgery
  • A56658Billing and Coding: Cosmetic and Reconstructive Surgery

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under T85.42

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.