MCMCB Pro
T85.830D

T85.830DHemorrhage due to nervous system prosthetic devices, implants and grafts, subsequent encounter

Billable / specific codeICD-10-CMPOA exempt

T85.830D is a billable, specific ICD-10-CM code for hemorrhage due to nervous system prosthetic devices, implants and grafts, subsequent encounter. It is valid for submission on a claim.

7th character "D" — subsequent encounter

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

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

T85.830D does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

T85.830D is named in 1 Medicare coverage policy 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck

Related codes at this level

Codes that share T85.830. If T85.830D is not quite right, the correct code is usually one of these.

Questions about T85.830D

Is T85.830D a billable ICD-10-CM code?
Yes. T85.830D is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T85.830D sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Complications of surgical and medical care, not elsewhere classified (T80-T88).
ICD-10-CMFY2026-Apr· effective April 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.