Ki-67 Image Analysis

CPT Code(s):


Specimen Requirements:

A paraffin block

Storage/Transport: Ship specimens at 20° – 25° C to protect them from excessive heat. Include a surgical pathology report.

Unacceptable Conditions:
  • Frozen specimens
Stability (collection to initiation of testing):
  • Ambient: Indefinitely


Determining proliferative fraction of tumors


Immunohistochemistry with image quantitation


7 days

Interpretation Data:

Assays are performed on paraffin-embedded, formalin-fixed tissue. The positive percentage of tumor cells is quantitated using the DAKO ACIS III.

Ki-67 AntibodyClone: M1B1

Detection Method: EnVision + Dual Link System HRP