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

What this means — in plain language

MedlinePlus · NIH

Every year, millions of people in the United States receive life-saving blood transfusions. During a transfusion, you receive whole blood or parts of blood such as: Red blood cells - cells that carry oxygen to and from tissues and organs Platelets - cells that form clots to control bleeding Plasma - the liquid part of the blood that helps clotting. You may need it if you have been badly burned, have liver failure or…

Read more about Blood Transfusion and Donation at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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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