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Test Code WHFSH Wolf Hirschorn FISH

Specimen Required

Peripheral Blood

Specimen Volume

5 mL

 

Minimum Specimen Volume

2 mL

Special Handling Instructions

Send to Referral Laboratory with copy of ordering requisition.

Transport Temperature

Ambient

Specimen Stability

Stable at ambient temperature

Reasons for Rejection

Incorrect tubes, insufficient quantity

Methodology

Fluorescent in-situ hybridization

Turnaround Time

Preliminary results available after 4-5 days, final report within 7-10 days

Additional Information

Do not refrigerate sample.

CPT Codes

88230

88271

88273

Reference Ranges

Laboratory to provide interpretive report

Collection Container

Green (Sodium Heparin)