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HelpTest Code JCV JC Virus Detection by In Situ Hybridization
Additional Codes
JCV
Shipping Instructions
Attach the green pathology address label included in the kit to the outside of the transport container.
Necessary Information
A pathology/diagnostic report and a brief history are required.
Specimen Required
Specimen Type: Formalin-fixed, paraffin-embedded tissue block
Supplies: Pathology Packaging Kit (T554)
Specimen Volume: Entire block
Specimen Type: Slides
Slides: 4 Unstained glass, positively-charged slides with 5 (+ or - 1)-microns formalin-fixed, paraffin-embedded tissue
Secondary ID
70475Useful For
Confirming a clinical and histopathologic diagnosis of progressive multifocal leukoencephalopathy
Method Name
In Situ Hybridization (ISH)
Specimen Type
SpecialSpecimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Special | Ambient (preferred) | ||
| Refrigerated | |||
On-campus collections: Send serum or plasma in plastic vial, Refrigerated.
Off-campus collections: Centrifuge and aliquot within 60 minutes. Specimen to be stored/transported at Refrigerated temp.
Reject Due To
| Wet/frozen tissue Cytology smears Nonformalin fixed tissue Nonparaffin embedded tissue Noncharged slides ProbeOn slides |
Reject |
Interpretation
This test, when not accompanied by a pathology consultation request, will be answered as either positive or negative. If additional interpretation or analysis is needed, request PATHC / Pathology Consultation along with this test.
Method Description
In situ hybridization on sections of paraffin-embedded tissue.(Unpublished Mayo method)
Day(s) Performed
Monday through Friday
Report Available
5 to 7 daysSpecimen Retention Time
Until staining is complete.Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
88365-Primary
88364-If additional ISH
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| JCV | JC Virus ISH | In Process |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 71214 | Interpretation | 50595-8 |
| 71215 | Participated in the Interpretation | No LOINC Needed |
| 71216 | Report electronically signed by | 19139-5 |
| 71218 | Material Received | 81178-6 |
| 71596 | Disclaimer | 62364-5 |
| 72115 | Case Number | 80398-1 |
Forms
If not ordering electronically, complete, print, and send an Immunohistochemical (IHC)/In Situ Hybridization (ISH) Stains Request (T763) with the specimen.