FISH for YqH




Test Mnemonic

YQHFSH

CPT Codes

  • 88291 - QTY (1)
  • 88271 - QTY (3)
  • 88273 - QTY (1)

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
5 mLBloodSodium heparin (Green)AmbientAmbientFor 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
Ambient72 hours
Refrigerated72 hours
FrozenUnacceptable

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.