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HelpTest Code DLL3 Delta-Like 3 Protein (SP347), Semi-Quantitative Immunohistochemistry, Manual, Tissue
Reporting Name
DLL3(SP347)Semi-Quant IHC,ManualPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Diagnosis of small cell lung carcinoma (SCLC), large cell neuroendocrine carcinoma (LCNEC), amongst other tumors
Method Name
Immunohistochemistry (IHC)
Shipping Instructions
Attach the green "Attention Pathology" address label (T498) and the pink Immunostain Technical Only label included in the kit to the outside of the transport container.
Necessary Information
A pathology/diagnostic report and a brief history are required.
Specimen Required
Specimen Type: Tissue
Supplies:
-Pathology Packaging Kit (T554)
-Immunostain Technical Only Envelope (T693)
Container/Tube: Immunostain Technical Only Envelope
Collection Instructions: Formalin-fixed, paraffin-embedded tissue block; or 3 unstained glass, “positively charged†slides with 4-microns, formalin-fixed, paraffin-embedded tissue
Additional Information: One slide will be stained with hematoxylin and eosin and returned.
Specimen Type
SpecialSpecimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Special | Ambient (preferred) | ||
| Refrigerated | |||
Reject Due To
| Wet/frozen tissue Cytology smears Nonformalin fixed tissue Nonparaffin embedded tissue Noncharged slides ProbeOn slides |
Reject |
Interpretation
Positivity for this test will require 50% or more of the tumor cells within a specimen to express delta-like 3 protein with an intensity ranging from 1 to 3+.
Day(s) Performed
Monday through Friday
Report Available
5 to 7 daysTest Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
88360
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| DLL3 | DLL3(SP347)Semi-Quant IHC,Manual | In Process |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 603333 | Interpretation | 59465-5 |
| 603334 | Participated in the Interpretation | No LOINC Needed |
| 603335 | Report electronically signed by | 19139-5 |
| 603336 | Material Received | 81178-6 |
| 603337 | Disclaimer | 62364-5 |
| 603338 | Case Number | 80398-1 |
Forms
If not ordering electronically, complete, print, and send a Immunohistochemical (IHC)/In Situ Hybridization (ISH) Stains Request (T763) with the specimen.