Home
HelpTest Code MCKCP MayoComplete Kidney Cancer Panel, Next-Generation Sequencing, Tumor
Ordering Guidance
Multiple oncology (cancer) gene panels are available. For more information see Hematology, Oncology, and Hereditary Test Selection Guide.
Necessary Information
A pathology report (final or preliminary), at minimum containing the following information, must accompany specimen for testing to be performed:
1. Patient name
2. Block number-must be on all blocks, slides, and paperwork (can be handwritten on the paperwork)
3. Tissue collection date
4. Source of the tissue
Specimen Required
This assay requires at least 20% tumor nuclei.
-Preferred amount of tumor area with sufficient percent tumor nuclei: tissue 216 mm(2)
-Minimum amount of tumor area: tissue 36 mm(2)
-These amounts are cumulative over up to 10 unstained slides and must have adequate percent tumor nuclei.
-Tissue fixation: 10% neutral buffered formalin, not decalcified
-For specimen preparation guidance, see Tissue Requirement for Solid Tumor Next-Generation Sequencing. In this document, the sizes are given as 4 mm x 4 mm x 10 slides as preferred: approximate/equivalent to 144 mm(2) and the minimum as 3 mm x 1 mm x 10 slides: approximate/equivalent to 36 mm(2).
Preferred:
Specimen Type: Tissue block
Collection Instructions: Submit a formalin-fixed, paraffin-embedded tissue block with acceptable amount of tumor tissue.
Acceptable:
Specimen Type: Tissue slide
Slides: 1 Stained and 10 unstained
Collection Instructions: Submit 1 slide stained with hematoxylin and eosin and 10 unstained, nonbaked slides with 5-micron thick sections of the tumor tissue.
Note: The total amount of required tumor nuclei can be obtained by scraping up to 10 slides from the same block.
Additional Information: Unused unstained slides will not be returned.
Specimen Type: Cytology slide (direct smears or ThinPrep)
Slides: 1 to 3 Slides
Collection Instructions: Submit 1 to 3 slides stained and coverslipped with a preferred total of 5000 nucleated cells, or a minimum of at least 3000 nucleated cells.
Note: Glass coverslips are preferred; plastic coverslips are acceptable but will result in longer turnaround times.
Additional Information: Cytology slides will not be returned.
Useful For
Identifying specific mutations to assist in tumor diagnosis/classification
Assisting in the clinical management of patients with renal cell carcinoma
Assessment of microsatellite instability for immunotherapy decisions
Additional Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| SLIRV | Slide Review in MG | No, (Bill Only) | Yes |
Testing Algorithm
When this test is ordered, slide review will always be performed at an additional charge.
Special Instructions
Method Name
Sequence Capture Next-Generation Sequencing (NGS)
Reporting Name
MayoComplete Kidney Cancer PanelSpecimen Type
VariesSpecimen Minimum Volume
See Specimen Required
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Varies | Ambient (preferred) | ||
| Refrigerated | |||
Reject Due To
| Specimens that have been decalcified (all methods) Specimens that have not been formalin-fixed, paraffin-embedded, except for cytology slides Extracted nucleic acid (DNA/RNA) |
Reject |
Clinical Information
Molecular genetic profiling is often needed to identify targets amenable to targeted therapies and to minimize treatment costs and therapy-associated risks. Microsatellite instability (MSI) status is an increasingly important biomarker for determining effective immunotherapeutic treatment options for patients with solid tumors.
Renal cell carcinoma is being increasingly subtyped based on underlying molecular alterations. Some kidney tumor types are defined by molecular alterations based on the recent World Health Organization classification of tumors.(1) In addition, the identification of pathognomonic alterations may help classify poorly differentiated tumors, and those associated with hereditary predisposition syndromes. It is important to note that this assay does not distinguish between germline and somatic alterations.
This test uses formalin-fixed paraffin-embedded tissue or cytology slides to assess for somatic mutations involving the following genes known to be associated with kidney cancer: ATRX, BAP1, BRAF, CDKN2A, FH, FLCN, KRAS, MET, MITF, MLH1, MSH2, MSH6, MTOR, NF2, PBRM1, PMS2, PTEN, RB1, SDHA, SDHB, SDHC, SDHD, SETD2, SMARCB1, ELOC (TCEB1), TERT, TP53, TSC1, TSC2, and VHL, as well as MSI status. The results of this test can be useful for assessing prognosis and guiding treatment of individuals with kidney tumors. These data can also be used to help determine clinical trial eligibility for patients with alterations in genes not amenable to current US Food and Drug Administration-approved targeted therapies.
Reference Values
An interpretive report will be provided.
Interpretation
The interpretation of molecular biomarker analysis includes an overview of the results and the associated diagnostic, prognostic, and therapeutic implications.
Cautions
This test cannot differentiate between somatic and germline alterations. Additional testing may be necessary to clarify the significance of results if there is a potential hereditary risk.
DNA variants of uncertain significance may be identified.
A negative result does not rule out the presence of a variant that may be present below the limits of detection of this assay. In a sample with 20% or more tumor content, the analytical sensitivity of this assay for sequence reportable alterations is 5% mutant allele frequency with a minimum coverage of 500X.
Point mutations and small deletion-insertion mutations will be detected in the ATRX, BAP1, BRAF, CDKN2A, FH, FLCN, KRAS, MET, MITF (exon 9 only), MLH1, MSH2, MSH6, MTOR, NF2, PBRM1, PMS2, PTEN, RB1, SDHA, SDHB, SDHC, SDHD, SETD2, SMARCB1, ELOC (TCEB1), TERT(5’UTR), TP53, TSC1, TSC2, and VHL genes only. This test may detect single exon deletions but does not detect multi-exon deletions, duplications, or genomic copy number variants (such as chromosome 3p deletions).
Variant allele frequency (VAF) is the percentage of sequencing reads supporting a specific variant divided by the total sequencing reads at that position. In somatic testing, VAF should be interpreted in the context of several factors including, but not limited to, tumor purity/heterogeneity/copy number status (ploidy, gains/losses, loss of heterozygosity) and sequencing artifact/misalignment.(2,3)
Rare alterations (ie, polymorphisms) may be present that could lead to false-negative or false-positive results.
The presence or absence of a variant may not be predictive of response to therapy in all patients.
Test results should be interpreted in the context of clinical, tumor sampling, histopathological, and other laboratory data. If results obtained do not match other clinical or laboratory findings, contact the laboratory for discussion. Misinterpretation of results may occur if the information provided is inaccurate or incomplete.
Reliable results are dependent on adequate specimen collection and processing. This test has been validated on cytology slides and formalin-fixed, paraffin-embedded tissues; other types of fixatives are discouraged. Improper treatment of tissues, such as decalcification, may cause polymerase chain reaction failure.
Day(s) Performed
Monday through Friday
Report Available
12 to 20 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
88381-Microdissection, manual
81457
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| MCKCP | MayoComplete Kidney Cancer Panel | 105593-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 619596 | Result | 82939-0 |
| 619597 | Interpretation | 69047-9 |
| 619598 | Additional Information | 48767-8 |
| 619599 | Specimen | 31208-2 |
| 619600 | Tissue ID | 80398-1 |
| 619601 | Method | 85069-3 |
| 619602 | Disclaimer | 62364-5 |
| 619603 | Released By | 18771-6 |
Forms
If not ordering electronically, complete, print, and send a Oncology Test Request (T729) with the specimen.