Ordering Recommendation

Aid in the diagnosis of T-cell lymphoproliferative disorders.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Fresh tissue or formalin-fixed tumor tissue.

Specimen Preparation

Fresh Tissue: Freeze immediately. Transport 100 mg or 0.5-2.0 cm3 tissue
FFPE Tumor Tissue: Formalin-fixed (10 percent neutral buffered formalin) and paraffin-embedded tissue. Protect from excessive heat. Tissue block will be returned after testing. Transport tissue block or four 10-micron shavings in a tissue transport kit (ARUP Supply #47808) available online through eSupply using ARUP Connect(TM) or contact ARUP Client Services at 800-522-2787.

Storage/Transport Temperature

Fresh Tissue: Frozen on dry ice.
FFPE Tumor Tissue: Room temperature. Also acceptable: Refrigerated. Ship in cooled container during summer months.

Unacceptable Conditions

Tissue: FFPE specimens fixed in any fixative other than 10 percent neutral buffered formalin.

Remarks
Stability

Fresh Tissue: Ambient: Unacceptable; Refrigerated: 2 hours; Frozen: 1 year
FFPE Tumor Tissue: Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable

Methodology

Qualitative Capillary Electrophoresis / Qualitative Polymerase Chain Reaction (PCR)

Performed

Varies

Reported

8-12 days

Reference Interval

Interpretive Data

Refer to report.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

81342

Components

Component Test Code* Component Chart Name LOINC
3021201 T-Cell Tissue, Source 66746-9
3021203 T-Cell Tissue by PCR 21753-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

T-Cell Clonality Screening, Tissue, by PCR