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Test Catalog

Test ID: HBL    
Chromosome Analysis, Hematologic Disorders, Blood

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NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Useful For Suggests clinical disorders or settings where the test may be helpful

Assisting in the classification and follow-up of certain malignant hematological disorders when bone marrow is not available

Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.

If this test is ordered for any of the following (or related) indications, the test will be cancelled and CMS / Chromosome Analysis, for Congenital Disorders, Blood will be added and performed as the appropriate test:


-Ambiguous genitalia



-Cerebral palsy

-Developmental delay

-Delayed puberty


-Failure to thrive

-Familial chromosome anomaly

-Growth delay

-Heart defect



-Lack of expect physiological development

-Learning disabilities

-Mental retardation

-Multiple congenital anomalies

-Multiple miscarriages

-Pregnancy loss

-Premature ovarian failure

-Rule out Down syndrome/trisomy 21

-Rule out Klinefelter syndrome/47,XXY

-Rule out trisomy 13/Patau syndrome

-Rule out trisomy 18/Edwards syndrome

-Rule out Turner syndrome/45,X

-Short stature

Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test

Method Name A short description of the method used to perform the test

Cell Culture Without Mitogens*

Includes 2 banded karyograms, analysis of 20 or more metaphases, and other banding techniques when required.


*In addition to the cell culture without mitogens,a CpG stimulated culture will be added and 10 additional cells will be analyzed for any specimen received from a patient age 30 or older with a reason for referral of chronic lymphocytic leukemia (CLL), small lymphocytic lymphoma (SLL), lymphocytosis, Waldenstrom’s macroglobulinemia, or when FCLL / Chronic Lymphocytic Leukemia (CLL), FISH is ordered concurrently.

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Chromosomes, Hematologic, Blood

Aliases Lists additional common names for a test, as an aid in searching

Chromosome Analysis, Peripheral Blood Unstimulated
Hematologic Chromosome Analysis
Hematologic Karyotype
Karyotype, Peripheral Blood Unstimulated