T80.6 — Other serum reactions
T80.6 is a non-billable header ICD-10-CM code for other serum reactions. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T80
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Intoxication by serum
- Protein sickness
- Serum rash
- Serum sickness
- Serum urticaria
Other codes that can never be billed with T80.6
These codes carry an Excludes1 note pointing at T80.6. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading T80.6 alone.
Risk adjustment
T80.6 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.
Code to one of these instead T80.6
3 child codes. Green means billable.
Related codes at this level
Codes that share T80. If T80.6 is not quite right, the correct code is usually one of these.
- T80.0Air embolism following infusion, transfusion and therapeutic injection
- T80.1Vascular complications following infusion, transfusion and therapeutic injection
- T80.2Infections following infusion, transfusion and therapeutic injection
- T80.3ABO incompatibility reaction due to transfusion of blood or blood products
- T80.4Rh incompatibility reaction due to transfusion of blood or blood products
- T80.ANon-ABO incompatibility reaction due to transfusion of blood or blood products
- T80.5Anaphylactic reaction due to serum
- T80.8Other complications following infusion, transfusion and therapeutic injection
- T80.9Unspecified complication following infusion, transfusion and therapeutic injection
Questions about T80.6
- Is T80.6 a billable ICD-10-CM code?
- No. T80.6 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T80.6 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).