FISH ANALYSIS RB1/13Q34
Marquette General Health System
HLAB/HOL Code |
CYTOGNREQ | |
MGH LIS Test No |
1454 | |
Schedule |
Monday-Friday | |
Testing Time |
1-2 Days | |
Testing Lab |
Marquette General Hospital | |
QORR Test Code |
CYTOGNREQ | |
Type |
Bone Marrow or Malignant Blood | |
Volume |
3.0 mL Bone Marrow or 5.0 mL Blood | |
Temperature |
Ambient | |
Preservative |
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Collection Info |
Bone Marrow is the tissue of choice for initial diagnosis of most neoplastic specimens. Malignant blood can be used in certain cases to monitor minimal residual disease. Prefer a minimum of 3.0 mL of bone marrow or 5.0 mL of malignant blood. Draw into green-top (sodium heparin) tube(s), invert several times to mix (clotted specimens may not work and can compromise results). Label vial with the patient's name and a unique identifying number (MGHS encounter # or MR #). Maximum time from collection should be 24 hours. SPECIMENS CANNOT BE FROZEN |
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Clinical Utilities
Diagnosis of loss of RB1 gene located on
chromosome 13 at q14. Loss of RB1 indicating
13q deletion or monosomy 13 can be found
in many disorders such as multiple myeloma,
chronic lymphocytic leukemia, and myelodisplasia.
CPT Codes
88271x2 DNA Probe, Each
88275 - Interphase in situ Hybridization
88291 - Interpretation and Reporting
As needed, at additional charge:
88237- Cell Culture-Lymphocytes
The CPT codes provided are based on AMA guidelines
and are for informational purposes only. CPT coding is the
sole responsibility of the billing party. Please direct any questions
regarding coding to the payer being billed.
Reference Range
An interpretive report will be provided.
Component Information
Additional Comments Questions or Comments email support@mgh.org
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