Sign in →

1p/19q Deletion in Gliomas, FISH

Performing Laboratory

Northwell Health Laboratories


Fluorescence In Situ Hybridization (FISH) Using DNA Probes

Reference Values

Pathologist report

Test Classification and CPT Coding

88271 x 4 - DNA probe, each

88275 x 2 - interphase in situ hybridization

88365 - interpretation and report

88313 - stain (if appropriate)

Physician Office Specimen Requirements

Please provide a pathology report with each specimen. The laboratory will not reject specimens that arrive without this information but will hold the specimen until a pathology report is received.

Paraffin-Embedded Tissue Block

Formalin-fixed, paraffin-embedded tumor tissue block. Include 1 hematoxylin-and-eosin stained slide. Label container with patient’s name and laboratory control number. Forward promptly at ambient temperature. Specimen cannot be frozen.

Day(s) and Time(s) Performed

Monday through Sunday