CALR Gene Mutation Exon 9 Test

CALR Gene Mutation Exon 9 Test is used to help diagnose bone marrow diseases: myeloproliferative neoplasms (MPNs)­­­, caused by mutations of the calreticulin gene (CALR).

What are the possible results and their meanings?

  • Positive: A CARL mutation was detected during the test. But it’s not specific for diagnosis. Other tests are necessary.
  • Negative: No CARL mutation was detected during the test. But it doesn’t mean there is definitely no CARL mutation.
  • Equivocal: There is no definite medical decision about whether there’s a mutation of CALR.


Keywords: CALR Gene Mutation Exon 9, CALR Mutation, Calreticulin Mutation Analysis (myeloproliferative neoplasm)

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