T80.69XA — Other serum reaction due to other serum, initial encounter
T80.69XA is a billable, specific ICD-10-CM code for other serum reaction due to other serum, initial encounter. It is valid for submission on a claim.
7th character "A" — initial encounter
The appropriate 7th character is to be added to each code from category T80
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Code also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
- , if applicable, arthropathy in hypersensitivity reactions classified elsewhere (M36.4)
Excludes2 inherited from the categories above T80.69XA
Also inherited, and the opposite of Excludes1: these conditions are not part of T80.69XA, but a patient can have both, so you may code both.
Written on T80 — Complications following infusion, transfusion and therapeutic injection
- bone marrow transplant rejection (T86.01)
- febrile nonhemolytic transfusion reaction (R50.84)
- fluid overload due to transfusion (E87.71)
- posttransfusion purpura (D69.51)
- transfusion associated circulatory overload (TACO) (E87.71)
- transfusion (red blood cell) associated hemochromatosis (E83.111)
- transfusion related acute lung injury (TRALI) (J95.84)
Risk adjustment
T80.69XA 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
T80.69XA is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56558Billing and Coding: Allergy Testing
- A56612Billing and Coding: CT of the Head
- A57473Billing and Coding: Allergy Testing
- A57473Billing and Coding: Allergy Testing
Code history
T80.69XA 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 T80.69. If T80.69XA is not quite right, the correct code is usually one of these.
Questions about T80.69XA
- Is T80.69XA a billable ICD-10-CM code?
- Yes. T80.69XA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T80.69XA 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).