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Test Code KI67B Ki-67(MIB-1), Breast, Quantitative Immunohistochemistry, Automated


Ordering Guidance


Ki-67 immunohistochemistry testing on intracystic papillary carcinoma and solid papillary carcinoma, without clearly stating invasive carcinoma, is not appropriate and will be canceled without processing.

 

If ordering for diagnostic purposes, order PATHC / Pathology Consultation and request the stain.



Shipping Instructions


Attach the green pathology address label included in the kit to the outside of the transport container.



Necessary Information


1. Pathologist's name, address, and phone number are required.

2. Include accompanying pathology report stating the final diagnosis. If not available, a preliminary diagnosis is acceptable only if it refers to invasive or metastatic breast carcinoma.



Specimen Required


Supplies: Pathology Packaging Kit (T554)

Specimen Type: Preferred: Formalin-fixed, paraffin-embedded tissue block containing invasive or metastatic breast carcinoma

Acceptable: 2 Unstained sections, containing invasive or metastatic breast carcinoma, on charged slides cut at 4 microns less than 1 month ago. Tissue on the slides should have been fixed in 10% neutral buffered formalin. Also send one hematoxylin and eosin-stained slide if possible.

Submission Container/Tube: Pathology Packaging Kit

Collection Instructions: Submit paraffin-embedded invasive or metastatic breast carcinoma tissue.

Additional Information: Paraffin block will be returned with the final report.


Reflex Tests

Test ID Reporting Name Available Separately Always Performed
KIBM Ki67 Breast IHC Manual No No

Specimen Type

Special

Specimen Stability Information

Specimen Type Temperature Time Special Container
Special Ambient (preferred)
  Refrigerated 

Reject Due To

No specimen should be rejected.

Reference Values

Varies by tumor type; values reported from 0% to 100%

Day(s) Performed

Monday through Friday

Report Available

4 to 6 days

Specimen Retention Time

1 week after results are reported. Material made at Mayo Clinic may be retained at Mayo Clinic indefinitely.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

88361