T88.7XXD — Unspecified adverse effect of drug or medicament, subsequent encounter
T88.7XXD is a billable, specific ICD-10-CM code for unspecified adverse effect of drug or medicament, 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 T88
- 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.
Use additional code
Add a secondary code to capture the detail described below.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Drug hypersensitivity NOS
- Drug reaction NOS
Risk adjustment
T88.7XXD 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
T88.7XXD 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.
- A57361Billing and Coding: Monitored Anesthesia Care
Related codes at this level
Codes that share T88.7. If T88.7XXD is not quite right, the correct code is usually one of these.
Questions about T88.7XXD
- Is T88.7XXD a billable ICD-10-CM code?
- Yes. T88.7XXD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T88.7XXD 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 T88.7XXD?
- T88.7XXD carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.