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Prader-Willi Syndrome DNA, Fish
Test CodeLAB1384
CPT Codes
88271, 88273
Includes
A tissue culture charge (CPT: 88230) will be added if this test is ordered without routine G-band chromosome analysis. If results are not possible from the submitted specimen, the test order will be canceled and replaced by code 416 - Cytogenetics Communication.
Preferred Specimen
Green sodium heparin no-gel
Minimum Volume
2 mL
Instructions
Clinical history and reason for referral are required with test order. Specimen viability decreases during transit. Send specimen to testing laboratory for viability determination. DO NOT REJECT.
Transport Temperature
Room Temperature
Specimen Stability
Room temperature: See instructions
Refrigerated: See instructions
Frozen: Unacceptable
Methodology
Fluorescence in situ Hybridization (FISH)