FISH for YqH
Test Mnemonic
YQHFSH
CPT Codes
- 88291 - QTY (1)
- 88271 - QTY (3)
- 88273 - QTY (1)
Performing Laboratory
Cleveland Clinic Laboratories
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 5 mL | Blood | Sodium heparin (Green) | Ambient | Ambient | For newborn and infant draws, a minimum of 0.5ml whole blood is imposed. Unacceptable Conditions:Frozen specimens, Paraffin-embedded specimens, clotted specimens. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 5 mL | Other tube and container types may be acceptable. Contact client services to inquire further. |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 72 hours |
| Refrigerated | 72 hours |
| Frozen | Unacceptable |
Days Performed
Mon - Fri
Turnaround Time
5 - 7 days
Methodology
| Name | Description |
|---|---|
| Fluorescent In-Situ Hybridization (FISH) |
Reference Range
Clinical Info
FISH for YqH identifies the presence or absence of the YqH region by analyzing individual nuclei in interphase and specific chromosome location in metaphase with direct labeled FISH probes specific to the X chromosome alpha satellite region and the Yqh region, Yq12.