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Specimen Collection Manual and Test Catalog

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IMMUNOHISTOCHEMISTRY (IHC), IN-SITU HYBRIDIZATION (ISH)

Geisinger Epic Procedure Code:  LAB4097    Geisinger Epic ID:  11710

SPECIMEN COLLECTION
Specimen type: 

Formalin-fixed, paraffin-embedded tissue


Preferred collection container: 
Specimen required: 

Preferred: a formalin-fixed, paraffin-embedded block Alternative: Minimum of 3 unstained, positively charged (+) slides per assay. For ISH cut tissue sections at 4 microns. Submit clinical history or pathology report as appropriate



SPECIMEN PROCESSING
Transport temperature: 

Room temperature.



TEST DETAILS
Additional information: 

Submit clinical history or pathology report as appropriate. For breast tissue, documentation of ischemic time and fixation time is appropriate.


CPT code(s):  88342, 88360, or 88365
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Staining without interpretation (88342), staining with manual quantitation (88360), in-situ hybridization without interpretation (88365)


Methodology: 
Immunohistochemistry
In-Situ Hybridization
Synonyms: 

IHC, IPOX, CISH, ISH


Doctoral Director(s): 
John Childs MD
Review Date:  10/31/2024

Performing Locations