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Order Code HEY1 Mesenchymal Chondrosarcoma, by Reverse Transcriptase PCR (RT-PCR)

Useful For

Supporting a diagnosis of mesenchymal chondrosarcoma when pathological examination is insufficient for diagnosis.

Additional Tests

Test ID Reporting Name Available Separately Always Performed
SLIRV Slide Review in MG No, (Bill Only) Yes

Testing Algorithm

This test is performed in conjunction with slide review. Additional testing may be performed after review by pathologist. Upon approval from the requesting clinician, PATHC / Pathology Consultation may be added, if determined to be appropriate.

Special Instructions

Method Name

Reverse Transcription - Polymerase Chain Reaction (RT-PCR)/Gel Electrophoresis

Reporting Name

Mesenchymal Chondrosarcoma, RT-PCR

Specimen Type

Varies


Advisory Information


Special stains performed outside Mayo Clinic Laboratories and included with the case may be repeated and charged at the reviewing pathologist's discretion. Testing requested by referring physician may not be performed if deemed unnecessary by Mayo Clinic pathologist.



Necessary Information


A pathology/diagnostic report including a brief history is required.



Specimen Required


A quality specimen is essential for evaluation. Submit only tissue containing tumor cells; minimal tissue is required for evaluation.

 

Supplies: Surgical Pathology Packaging Kit (T554) requested, but not required

 

Preferred:

Specimen Type: Formalin-fixed, paraffin-embedded (FFPE) tissue block with a minimum of 10% tumor cell population

Collection Instructions: Process all fresh or frozen specimens into FFPE tissue blocks prior to submission.

 

Acceptable:

Specimen Type: Unstained slides with a minimum of 10% tumor population; slides may be stained and/or scraped

Slides: A minimum of ten, 4- to 5-micron thick, unstained slides are required.


Specimen Stability Information

Specimen Type Temperature Time
Varies Ambient (preferred)
  Frozen 
  Refrigerated 

Reject Due To

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

Specimens that have been decalcified (all methods); specimens that have not been formalin-fixed, paraffin-embedded; bone marrow in EDTA

Reference Values

An interpretative report will be provided.

Day(s) and Time(s) Performed

Monday through Friday; Varies

Performing 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. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

81479-HEY1/NCOA2   

88381-Microdissection, manual

LOINC Code Information

Test ID Test Order Name Order LOINC Value
HEY1 Mesenchymal Chondrosarcoma, RT-PCR In Process

 

Result ID Test Result Name Result LOINC Value
52957 Result Summary 50397-9
52958 Result In Process
52959 Interpretation 59465-5
52960 Additional Information 48767-8
52961 Reason for Referral 42349-1
52962 Specimen 31208-2
52963 Source 31208-2
53876 Tissue ID 80398-1
53877 Released By 18771-6