Sign in →

Test Code DGFSH DiGeorge Syndrome Fish, 22q11.2 Deletion

Collection Container

Green top (sodium heparin)

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


Specimen Stability

Stable at ambient temperature.

Reasons for Rejection

Incorrect tube or insufficient quantity.


Fluorescent in-situ hybridization (FISH).

Reference Ranges

Laboratory to provide interpretive report.

Turnaround Time

Final report within 7-10 days.

Additional Information

Do not refrigerate sample.

CPT Code

88271 x2