Fluorescence In-Situ Hybridization (FISH-Hematological Blood)
Epic code: CYT54
Downtime form: C-12 Cytogenetics Request
Shivanand R. Patil Cytogenetics & Molecular Laboratory
Department of Pediatrics
W-101 GH
356-3877 (Laboratory)
Specimen(s):
Peripheral Blood
Collection Medium:
Green top tube 10 mL (Na Heparin) Hospital Stores #907693
Minimum:
5-10 cc adult, 2 cc infants of venous blood collected in a green-top Vacutainer® with sodium heparin. Invert tube to mix well. Label the tube with patient name and medical record number. DO NOT FREEZE OR CENTRIFUGE.
Delivery Instructions:
Submit specimen to laboratory as soon as possible after collection. After hours specimens should be taken to Specimen Control. For questions after hours, call (319) 356-1616 and ask the operator to page the cytogenetics on-call staff at pager #5525. Provide details of clinical information.
Testing Schedule:
Specimens accepted in the lab Monday-Friday, 0800-1700.
Turn Around Time:
Allow 3-5 days for final results.
Reference Range:
Varies for each probe (set). Unique sequence probes labeled with fluorochrome. Contact lab for details.
Comments:
This test can be used as an adjunct to chromosomal analysis for detection of residual disease. Suitable for interphase and metaphase analysis.

Shivanand R. Patil Cytogenetics & Molecular Laboratory Website
Methodology:
Fluorescence In-Situ Hybridization (FISH)
CPT Code:
88271 x # of probes
88275 x # of probes, 88291
 
See Additional Information:
Cytogenetics and Molecular Testing