Is T85.621D a billable ICD-10-CM code?

Yes. T85.621D is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does T85.621D 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).

What cannot be coded together with T85.621D?

T85.621D carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above T85.621D (T85.621) and apply to it just the same.

T85.621D

T85.621D — Displacement of intraperitoneal dialysis catheter, subsequent encounter

Billable / specific codeICD-10-CMPOA exempt

T85.621D is a billable, specific ICD-10-CM code for displacement of intraperitoneal dialysis catheter, 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

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

mechanical complication of vascular dialysis catheter (T82.4-)

Excludes1 inherited from the categories above T85.621D

These are not written on T85.621D, but they bind it: a note on a category applies to every code beneath it. Billing T85.621D with anything listed here is a denial.

Written on T85.621 — Displacement of intraperitoneal dialysis catheter

mechanical complication of vascular dialysis catheter (T82.4-)

Excludes2 inherited from the categories above T85.621D

Also inherited, and the opposite of Excludes1: these conditions are not part of T85.621D, but a patient can have both, so you may code both.

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

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

Risk adjustment

T85.621D 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

T85.621D 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.

A57206Billing and Coding: Lumbar MRI

Code history

T85.621D has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share T85.621. If T85.621D is not quite right, the correct code is usually one of these.

Questions about T85.621D

Is T85.621D a billable ICD-10-CM code?: Yes. T85.621D is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T85.621D 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).
What cannot be coded together with T85.621D?: T85.621D carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above T85.621D (T85.621) and apply to it just the same.