IGH Variable Region Mutation, Blood
Label Mnemonic: IGHVB
Epic Lab Code: LAB7504
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Whole Blood
Collection Medium:
Pink top tube 6 mL (K2-EDTA)
Alternate Collection Media:
Lavender top tube 3 mL (EDTA)
Minimum:
6 mL whole blood from a pink(EDTA) top tube.
Rejection Criteria:
Frozen or clotted specimens.
Delivery Instructions:
Deliver to laboratory immediately after collection. Refrigerated specimens should be received within 48 hours of collection for optimal viability.
Testing Schedule:
Monday-Thursday and Friday until Noon, no weekends, no holidays.
Turn Around Time:
2 weeks upon receipt at reference laboratory
Interpretive Data:
Refer to report.
Comments:
This mailout test requires pathologist approval for orders during inpatient encounters. Mailouts staff will not process order without approval. The pathologist covering mailouts approval can be reached at pager #5379. If approval is given, the name of the pathologist can be selected in the drop-down menu to the right of the approval warning in Epic when ordering the test.

This assay is designed for individuals with a confirmed diagnosis of CLL, and for these individuals testing will include sequencing. All other diagnoses will terminate after amplification and will not have the sequencing component.

Test indicated for chronic lymphocytic leukemia (CLL) prognosis; prior diagnosis of CLL should be obtained.
Methodology:
Polymerase Chain Reaction/Sequencing
CPT Code:
81263