A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
CDX2, IHC without Interpretation
Test Code90203
CPT Codes
88342
Preferred Specimen
Formalin fixed paraffin embedded tissue in IHC specimen transport kit
Other Acceptable Specimens
Unstained charged (+) slides collected in IHC specimen transport kit (x5)
Transport Temperature
Room temperature
Specimen Stability
Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Unacceptable
Refrigerated: Indefinite
Frozen: Unacceptable
Methodology
Immunohistochemistry
Setup Schedule
A.M. Sets up 5 days a week
Clinical Significance
CDX-2, a nuclear transcription factor that is expressed in colonic epithelium, is useful in distinguishing metastatic carcinoma of colorectal origin from other tumors. However, its expression may be lost in advanced colorectal tumors and is also expressed by some mucinous tumors of other sites.