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Immunohistochemistry Stain Form Recommended (ARUP form #32978)
Ordering Recommendation

Refer to ARUP Immunohistochemistry Stain Offerings brochure at www.aruplab.com/ap/resources.

Mnemonic
KI-67 IP
Methodology

Immunohistochemistry

Performed

Mon-Fri

Reported

1-5 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Tumor tissue.

Specimen Preparation

Formalin fix (10 percent neutral buffered formalin) and paraffin embed specimen. Protect paraffin block and/or slides from excessive heat. Transport tissue block or 5 unstained (3-5 micron thick sections), positively charged slides in a tissue transport kit (ARUP supply #47808).  Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800)522-2787.(Min. 3 slides). If sending precut slides, do not oven bake.

Storage/Transport Temperature

Room temperature. Also acceptable: Refrigerated. Ship in cooled container during summer months.

Unacceptable Conditions

Paraffin block with no tumor tissue remaining. Specimens fixed in B-5 or Bouin's fixative.

Remarks

This test code includes pathologist interpretation. Include surgical pathology report. IMMUNOHISTOCHEMISTRY ORDERING AND SUBMISSION DETAILS: Submit electronic request. If you do
not have electronic ordering capability, use an ARUP Immunohistochemistry Stain Form (#32978) with an ARUP client number. For additional technical details, please contact ARUP Client Services at
(800) 522-2787.

Stability

Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable

Reference Interval
Interpretive Data

 Refer to report.

Compliance Statement B: For laboratory developed tests not using a RUO kit, and for FDA approved, cleared or 510(k) exempt assays with alterations. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Note

This test code includes pathologist interpretation of results. Include surgical pathology report with specimen submitted for testing. Indicate tissue site on requisition.

Hotline History
N/A
CPT Codes

88360

Components
Component Test Code* Component Chart Name LOINC
2007186 Ki-67 Reference Number
2007187 KI-67 Percent of Tumor Staining
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Ki-67 IHC
  • Ki-67 immunostaining
  • MIB-1 IHC with interpretation
  • MIB-1 immunostaining
Ki-67 with Interpretation by Immunohistochemistry