Kasabach-Merritt phenomenon

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Kasabach-Merritt phenomenon

ORPHA:2330Particular clinical situation in a disease or syndrome

Also called Haemangioma-thrombocytopenia syndrome · Hemangioma-thrombocytopenia syndrome

What it is

A rare hemorrhagic disorder characterized by potentially life-threatening thrombocytopenia, microangiopathic hemolytic anemia, and consumptive coagulopathy in the context of kaposiform hemangioendothelioma or tufted angioma.

Key facts

Age of onset
Infancy, Neonatal
Inheritance
Not applicable
Classified as
Particular clinical situation in a disease or syndrome

Signs and symptoms

These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.

ICD-10 codes

D18.0filed under a broader ICD-10 category — shared with 23 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Cross-references

GARD 70MEDDRA 10058423MESH D059885MONDO 0007708OMIM 141000UMLS C0221025

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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