MCMedicalCodingSoftware
T85.9XXA

T85.9XXA: Unspecified complication of internal prosthetic device, implant and graft, initial encounter

Billable / specific codeICD-10-CM

T85.9XXA is a billable, specific ICD-10-CM code for unspecified complication of internal prosthetic device, implant and graft, initial encounter. It is valid for submission on a claim.

Check T85.9XXA 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.

  • Complication of internal prosthetic device, implant and graft NOS

Excludes2 inherited from the categories above T85.9XXA

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

T85.9XXA is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56422Billing and Coding: Bariatric Surgical Management of Morbid Obesity

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under T85.9

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.