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DNA and KI-67

Test ID: 


CPT code:

88182 26, 88360 26


DNA Histogram, Paraffin

Clinical Use:

Cancer prognosis. In general, aneuploid tumors have an unfavorable prognosis compared to diploid tumors.

Test Information:

The DNA index is a measure of the nuclear DNA content of tumor cells compared to normal cells. Tumors with abnormal DNA content are termed DNA aneuploid while those with DNA content equal to normal cells are termed DNA diploid.

Specimen Type:

Formalin-fixed, paraffin-embedded (FFPE) tumor (tissue block)

Requested Volume: 

One paraffin block

Container Type: 

Paraffin block transport pouch


Specimen should be fixed in 10% neutral-buffered formalin. Optimum fixation time is 12 to 24 hours, not to exceed 48 hours.

Storage Instructions:

Maintain specimen at room temperature.


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