ICD-10-CM Code for Mast cell activation syndrome and related disorders D89.4

ICD-10 code D89.4 for Mast cell activation syndrome and related disorders is a medical classification as listed by WHO under the range - Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism .

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Mast cell activation syndrome and related disorders
Excludes1: aggressive systemic mastocytosis (C96.21)
congenital cutaneous mastocytosis (Q82.2)
(non-congenital) cutaneous mastocytosis (D47.01)
(indolent) systemic mastocytosis (D47.02)
malignant mast cell neoplasm (C96.2-)
malignant mastocytoma (C96.29)
mast cell leukemia (C94.3-)
mast cell sarcoma (C96.22)
mastocytoma NOS (D47.09)
other mast cell neoplasms of uncertain behavior (D47.09)
systemic mastocytosis associated with a clonal hematologic non-mast cell lineage disease (SM-AHNMD) (D47.02)

D89

Excludes1: hyperglobulinemia NOS (R77.1)
monoclonal gammopathy (of undetermined significance) (D47.2)

Excludes2: transplant failure and rejection (T86.-)

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Get crucial instructions for accurate ICD-10-CM D89.4 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.

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