FISH FOR DIGEORGE / VELOCARDIOFACIAL MICRODELETION (22q11)
| Synonyms: | 22q11; DiGeorge; VCF |
| Computer Code: | (FISHA) |
| Specimen Collection: | Sodium heparin (green top) tube. Child 2-5 mL whole blood. Adult 5-10 mL whole blood. Recommended that Chromosome studies be performed simultaneously |
| Minimum Volume: | No min. Lab will attempt on any amount. |
| Handling Instructions for Offsite Areas: | Refrigerate specimen. |
| Reference Values: | See reference laboratory report. |
| Lab Code: | Send Out |
| Requisition: | INPATIENT CYTOGENETIC REQUISITION |
| Test Frequency: | NA |
| Routine TAT: | 2-7 days at reference lab after cell culture and/or chromosome analysis are complete |
| Stat TAT: | N/A |
| CPT Code(s): | 88271, 88273 |
| LCD or NCD: | |
| Methodology Used: |
See Addendum XVII |