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Lab Manual for UCSF Clinical Laboratories

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TdT

Item Value
Available Stat? No
Test code TDT
Performed by Immunology
In House Availability Monday-sat (day shift)
Container type Lavender top
Amount to Collect 3 mL blood
Sample type EDTA whole blood, Bone marrow, Unfixed tissue
Preferred volume Specimen amount varies-contact Immunology at x3-1712.
Processing notes Hold bone marrow and blood specimens at room temperature. Do NOT centrifuge.

Refrigerate fine needle aspirates in special holding medium.

Each specimen should be assigned its own accession number.

If specimens are delivered to Specimen Receiving, contact Immunology immediately. If a specimen arrives after 1700 hours Monday-Friday, hold it at room temperature for delivery to Immunology after 0800 hours the following morning. After 1700 hours on Saturday, on Sunday or on a holiday contact the resident on call.

If a glass slide is received with an FNA sample, label it with an accession number label and send it with the sample to CB for testing.
Normal range Negative
Synonyms Terminal deoxynucleotidyl Transferase
Turn around times 1-2 days
Additional information An interpretation of this test by a laboratory physician will automatically be performed and billed for separately.
LOINC code 30117-6
LDT or Mod FDA? Yes
Last Updated 10/31/2014 1:45:12 PM
Entry Number 888
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