CDK4

Identifies a cyclin protein frequently activated by somatic genetic alterations in multiple tumor types. It is used to distinguish atypical lipomatous tumor well-differentiated liposarcoma (positive) from benign adipocytic neoplasms (negative).

Synonyms
Turnaround Time
24 hrs
Methodology
IHC
Specimen Requirements

A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen typeorOne (1) unbaked, unstained slide for H&E staining (required) and two to three (2-3) positively charged unstained slides (all cut at 4-5 microns) for each test/antibody orderedBlock and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.

Storage and Transportation

Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.

CPT Codes
88342 x 1 or 88341 x 1