T85.635D — Leakage of other nervous system device, implant or graft, subsequent encounter
T85.635D is a billable, specific ICD-10-CM code for leakage of other nervous system device, implant or graft, 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
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Leakage of intrathecal infusion pump
Risk adjustment
T85.635D 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
T85.635D 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
Related codes at this level
Codes that share T85.635. If T85.635D is not quite right, the correct code is usually one of these.
Questions about T85.635D
- Is T85.635D a billable ICD-10-CM code?
- Yes. T85.635D is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T85.635D 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).