Test Details

Mnemonic

HERFI

Ordering Code

3400678

CPT-4 Code(s)

88377

Specimen Information

Collect

Formalin fixed, paraffin embedded tissue

Specimen Preparation

Send formalin fixed paraffin embedded tissue. Specimen must be fixed in 10% neutral buffered formalin. Fixation between 6 and 72 hours and cold ischemic time of less than 1 hour is recommended. Pathology report must be included with specimen.

Alternate Specimen

5 micron (4 micron minimum) sections collected on each of 6 charged slides

Transport Temperature

Room temperature

Rejection Criteria

Non-invasive breast tumors

Stability

Room temperature: Dependent on sample sent
Refrigerated: Dependent on sample sent
Frozen: Unacceptable*
*Do not freeze. Do not reject.

Methodology

Fluorescence in situ Hybridization (FISH)
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Reference Range

See report
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Performing Laboratory

Quest
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New York DOH Approval Status

Yes
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