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T80.91

Non-billable

Hemolytic transfusion reaction, unspecified incompatibility

T80.91 is the ICD-10-CM code for Hemolytic transfusion reaction, unspecified incompatibility. It is a non-billable category code — use a more specific child code such as T80.910 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T80.9
Subcodes
3
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

Excludes1 — not coded here

  • •ABO incompatibility with hemolytic transfusion reaction (T80.31-)
  • •Non-ABO incompatibility with hemolytic transfusion reaction (T80.A1-)
  • •Rh incompatibility with hemolytic transfusion reaction (T80.41-)

Frequently asked questions

What is ICD-10 code T80.91?
T80.91 is the ICD-10-CM code for "Hemolytic transfusion reaction, unspecified incompatibility". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T80.91 a billable code?
No — T80.91 is a non-billable header code. Use a more specific child code (such as T80.910) for billing.
What are the subcodes of T80.91?
T80.91 has 3 more specific child codes, including T80.910, T80.911, T80.919.
What is excluded from T80.91?
Excludes1 (not coded here): ABO incompatibility with hemolytic transfusion reaction (T80.31-); Non-ABO incompatibility with hemolytic transfusion reaction (T80.A1-); Rh incompatibility with hemolytic transfusion reaction (T80.41-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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