T80.4
Rh incompatibility reaction due to transfusion of blood or blood products
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 9 never code together
T80code
Excludes2
- bone marrow transplant rejection (T86.01)T86.01
- febrile nonhemolytic transfusion reaction (R50.84)R50.84
- fluid overload due to transfusion (E87.71)E87.71
- posttransfusion purpura (D69.51)D69.51
- transfusion associated circulatory overload (TACO) (E87.71)E87.71
- transfusion (red blood cell) associated hemochromatosis (E83.111)E83.111
- transfusion related acute lung injury (TRALI) (J95.84)J95.84
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 5
T80code
Includes
- complications following perfusion
T80.4code
Inclusion terms
- Reaction due to incompatibility of Rh antigens (C) (c) (D) (E) (e)
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 9 same parent — T80
T80.0 Air embolism fol infusion, transfuse and theraputc injection category T80.1 Vascular comp fol infusion, transfuse and theraputc inject category T80.2 Infect following infusion, transfuse and theraputc injection category T80.3 ABO incompat reaction due to transfusion of bld/bld prod category T80.A Non-ABO incompat reaction due to transfusion of bld/bld prod category T80.5 Anaphylactic reaction due to serum category T80.6 Other serum reactions category T80.8 Oth comp fol infusion, transfuse and theraputc injection category T80.9 Unsp comp fol infusion, transfuse and theraputc injection category
Subordinate codes 3
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.