(CTC) FISH, X-Linked Ichthyosis Steroid Sulfatase Deficiency

Test Code

70369

Physician Attestation of Informed Consent

This germline genetic test requires physician attestation that patient consent has been received if ordering medical facility is located in AK, DE, FL, GA, IA, MA, MN, NV, NJ, NY, OR, SD or VT or test is performed in MA.

Preferred Specimen

5 mL Whole blood.

Collection Instructions:
__3-5 mL whole blood collected in a sodium heparin tube.
__Specimen viability decreases during transit. Send specimen
__to testing lab for viability determination. DO NOT FREEZE.
__***DO NOT REJECT***

Minimum Volume

Whole blood: 1 mL
Amniotic fluid: 1 mL
Chorionic villus sampling: 5 mg

Other Acceptable Specimens

5 mL Amniotic fluid
5 mg Chorionic villus sampling

Transport Container

Whole blood
__Sodium heparin (green-top) (preferred)
__Sodium heparin (royal blue-top)
__Sodium heparin lead-free (tan-top)
Amniotic fluid: Sterile container
Chorionic villus sampling: Culture media

Transport Temperature

Whole blood, Amniotic fluid and Chorionic villus sampling:
_Room temperature preferred; Refrigerated acceptable; Frozen
_unacceptable

Specimen Stability

Whole blood
__Room temperature: See Instructions
__Refrigerated: See Instructions
__Frozen: See Instructions
Amniotic fluid or Chorionic villus sampling
__Room temperature: See Instructions
__Refrigerated: See Instructions
__Frozen: Unacceptable

Methodology
Fluorescence in situ Hybridization

Setup Schedule

A.M. Sets up 7 days a week.

Report Available

Reports in 5 to 7 days.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.