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CALR Mutation

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Also known as: Calreticulin Mutation Analysis; CALR Gene Mutation Exon 9
Formal name: CALR Mutation Analysis (myeloproliferative neoplasm); CALR (Calreticulin) Exon 9 Mutation Analysis by PCR

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At a Glance

Why Get Tested?

To help diagnose bone marrow disorders known as myeloproliferative neoplasms (MPNs), in which the bone marrow produces too many of one or more types of blood cells

When to Get Tested?

When you have abnormal results on a complete blood count (CBC) and your healthcare practitioner suspects that you may have a bone marrow disorder, especially essential thrombocythemia (ET) or primary myelofibrosis (PMF)

Sample Required?

A blood sample drawn from a vein in your arm or sometimes a sample of bone marrow

Test Preparation Needed?

None