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)
Peripheral Blood
Collection Medium:
Green top tube 10 mL (Na Heparin) Hospital Stores #907693
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.
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
Fluorescence In-Situ Hybridization (FISH)
CPT Code:
88271 x # of probes
88275 x # of probes, 88291
See Additional Information:
Cytogenetics and Molecular Testing