T And B Cell Quantitation (MAYO)

Test Code
1230701621


Alias/See Also
LAB8392: Severe Combined Immunodeficiency Panel
LAB8393: T and B Cell Quantitiation | MAYO EAP: TBBS


CPT Codes
86355x1, 86357x1, 86359x1, 86360x1

Preferred Specimen
MAYO LAB: LAVENDER TOP-EDTA (Room Temperature) Min Vol: 1


Instructions
Submit only one of the following specimens: Specimen Type: Bone Marrow Container/Tube: Green top (sodium heparin) Specimen Volume: 1-2 mL Collection Instructions: Invert several times to mix bone marrow and send specimens in original tubes. Or Specimen Type: Whole blood Container/Tube: Green top (sodium heparin) Specimen Volume: 7-10 mL Collection Instructions: Invert several times to mix blood and send specimens in original tubes.


Transport Temperature
Necessary Information 1. Previous Cytogenetic or FISH testing is required in order to perform this test. If previous testing was performed at another institution, supply a copy of those results. If sufficient information regarding the patient’s known chromosome abnormality is not made available, this testing will be cancelled. 2. Provide a reason for referral with each specimen. The laboratory will not reject testing if this information is not provided, but appropriate testing and interpretation may be compromised or delayed. Special Instructions Informed Consent for Genetic Testing Mate Pair Hematology/Oncology Patient Information B-Lymphoblastic Leukemia/Lymphoma AlgorithmForms New York Clients-Informed consent is required. Please document on the request form or electronic order that a copy is on file. An Informed Consent for Genetic Testing (T576) is available in Special Instructions. Specimen Minimum Volume Blood: 2 mL; Bone Marrow: 1 mL Ambient (preferred)


Report Available
MAYO LAB
STAT: 5760 min
Routine: 5760 min
Extended TAT: No TAT min
Timed: 5760 min
Life or Death: 5760 min



Last Updated: March 6, 2023


The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.