Test Details

Mnemonic

HERN

Ordering Code

3511930

CPT-4 Code(s)

88360 x 3, plus 88377 if FISH performed, at additional cost

Specimen Information

Collect

Tumor tissue block

Specimen Preparation

Send formalin fixed (fixation between 6 and 48 hours is recommended) paraffin embedded tissue at room temperature. Please include a stained H & E slide and a pathology report. Information required in report: Physician identification, case and block, specimen, tissue processing used, fixative, time and duration of fixation and diagnosis.

Alternate Specimen

9 4 micron unstained sections of Poly-L-Lysine or silane coated slides

Transport Temperature

Room temperature

Rejection Criteria

Non-invasive tumors, blocks with insufficient tumor for testing

Stability

Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Not established

Methodology

Immunohistochemical Assay (IHC)
Fluorescence in situ Hybridization (FISH)
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Reference Range

See report
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Performing Laboratory

Quest SJC
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