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Test Code TTFK5 Thyroid Transcription Factor 1 (TTF1) (SPT24) + Keratin 5/6 (KRT5/6) Immunostain, Technical Component


Shipping Instructions


Attach the green pathology address label and the pink Immunostain Technical Only label included in the kit to the outside of the transport container.



Specimen Required


Supplies: Immunostain Technical Only Envelope (T693)

Specimen Type: Tissue

Container/Tube: Immunostain Technical Only Envelope (T693)

Preferred: 2 unstained positively charged glass slide (25- x 75- x 1-mm) per test ordered; sections 4-microns thick.

Acceptable: Formalin-fixed, paraffin-embedded (FFPE) tissue block

Additional Information:

1. Information on accessing digital images of IHC stains and the manual requisition form can be accessed through this website: www.mayomedicallaboratories.com/test-info/ihc/index.html

2. Clients ordering stains using a manual requisition form will not have access to digital images.

3. Clients wishing to access digital images must place the order for IHC stains electronically. Information regarding digital imaging can be accessed through this website: www.mayomedicallaboratories.com/test-info/ihc/faq.html


Useful For

Thyroid transcription factor 1aids in the classification of carcinomas of unknown origin

 

Keratin 5/6 aids in the identification of cells expressing high-molecular-weight cytokeratin

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
IHMTO IHC Multiplex, Tech Only No No

Method Name

Immunohistochemistry

Reporting Name

TTF1(SPT24) + KRT5/6 IHC, Tech Only

Specimen Type

TECHONLY

Specimen Stability Information

Specimen Type Temperature Time
TECHONLY Ambient (preferred)
  Refrigerated 

Reject Due To

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

Wet/frozen tissue

Cytology smears

Nonformalin fixed tissue

Nonparaffin embedded tissue

Noncharged slides

ProbeOn slides

Day(s) and Time(s) Performed

Monday through Friday

Analytic Time

1 day

Performing Laboratory

Mayo Medical Laboratories in Rochester

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

88344-TC

LOINC Code Information

Test ID Test Order Name Order LOINC Value
TTFK5 TTF1(SPT24) + KRT5/6 IHC, Tech Only In Process

 

Result ID Test Result Name Result LOINC Value
70801 TTF1(SPT24) + KRT5/6 IHC, Tech Only No LOINC Needed

Forms

If not ordering electronically, complete, print, and send an Immunohistochemical (IHC)/In Situ Hybridization (ISH) Stains Request Form (T763) (http://www.mayomedicallaboratories.com/it-mmfiles/ihc-and-ish-stain-request-form-mc0767-09a.pdf).