Ordering Information
Testing Includes
Analysis of metaphase cells using FISH with probes for DiGeorge Syndrome region (22q11)
Aliases
Digeorge FISH 22q11 prenatal Cytogenomics Cytogenetics Cytogenetic analysis
Testing Schedule
Monday thru Friday: 8:30 AM to 5 PM
Turnaround Time
10-14 Days
Order Priorities
Routine
Methodology
Fluorescence Insitu Hybridization (FISH)
Ordering Restrictions
Chromosome analysis or microarray must be ordered to perform this test
Specimen Requirements
Specimen
Villi
Minimum 25 mg of villi required; place in transport media provided; store at room temperature - DO NOT FREEZE; DO NOT PUT IN FORMALIN
Contact the Laboratory for transport media
Amniotic Fluid
Minimum 30 mL amniotic fluid required; store at room temperature - DO NOT FREEZE
Use multiple 15 mL centrifuge tubes or contact the lab for a sterile container
Collection Container
Sterile Container
Specimen Stability
Store at room temperature - DO NOT FREEZE
Specimen Types
Chorionic Villi
Fluid, Amniotic
Fluid, Amniotic
Reference Ranges & Interpretation
Interpretation Comment
An interpretive report will be issued
For Lab Staff
Comments
LABORATORY NOTES:
- Contact the Laboratory to arrange specimen delivery (tube to station 072, courier delivery or lab pick up).
- Johns Hopkins Cytogenomics/Cytogenetics Lab
- Lab specimen shipping address - deliver to
- Johns Hopkins Hospital Core Lab
- 600 N Wolfe Street
- Baltimore, MD 21287
- LAB phone: 410-955-3476; specimens will be received M-F, between 8am and 4:30pm
- Chromosome analysis or microarray is required to accompany this FISH test.
- Storage: room temperature - DO NOT FREEZE
- Results in EPIC under Lab Results
- Downtime: Use the Prenatal Laboratory form
Billing Information
| Epic Charge Code | Qty. | CPT | RVUs |
|---|
Price
$0.00
Outside Customer Price
Call for price.
Price Disclaimer
Prices listed are estimated. Actual prices may vary slightly.