KARYOTYPE WITH REFLEX TO CHROMOSOMAL MICROARRAY (CGH), CONGENTIAL

Message

Special instructions and forms must be filled out. Please see Additonal Information below for links to required forms.
If karyotype is normal, sample is reflexed to Microarray. If Karyotype is abnormal, no array is needed.

Test Code

LAB123011

CPT Codes
88230, 88235 or 88233x1; 88234,88269 or 88262 x1; 88291, 88229

Preferred Specimen

Blood: Whole blood in Sodium Heparin (Dark Green)
Amniotic Fluid: Amniotic fluid in amber vial
POC: Identifiable fetal tissue-portion of thigh including skin, cord, placenta from fetal side (e.g.villi)

Minimum Volume

Whold Blood: 2 mL
Amniotic Fluid: 30cc
POC: 20 mg in RPMI 1640, HBSS or saline

Instructions

Invert several times to mix blood well and send specimens in original tubes.
Special instructions and forms must be filled out.

Transport Temperature

Ambient (preferred) or refrigeratated

Specimen Stability

Ambient: Specimens must arrive within 96 hours of collection.
Refrigerated: Specimens must arrive within 96 hours of collection.

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Insufficient sample, more than 4 days old when received, hemolysis, improper transport conditions, frozen or centrifuged.

Methodology
G-banded Karyotype reflexed to Chromosomal Microarray (CMA) when karyotype is normal.

Setup Schedule

Monday- Friday arrays batched, batched 1-2 times per month.

Performing Laboratory
West Virginia University Hospital, Inc.

Additional Information
Cytogenetic Informed Consent
Microarray Testing Patient Information
ARUP Informed Consent

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.