Chromosome Analysis, Blood, Sister Chromatid Exchange


Abbrev Code:BLDSCE   
Order Code:LAB4697Order Name:Blood, Sister Chromatid Exchange
Sunquest Code (non-Epic sites):BLDSCE  
Methodology:Determined by laboratory director based on clinical information. Chromosome analysis.
CPT Codes: 88230 x1, 88245 x1, 88291 x1
Turnaround Time:Results are reported within 7-10 days.
Special Instructions:Test request form requires:
  • Date and time of specimen collection
  • Specimen type
  • Patient information: date of birth, sex and medical record number
  • Ordering physician and contact number
  • Reason for referral
  • Clinical status
  • Information regarding medications or transfusions
  • Previous or pending genetic testing results
Associated Links:

Genetic Testing Consent Form


Collection Instructions

Specimen:Whole blood
Optimal Volume:5 mL
Minimum\Peds Volume:3 mL
Container:Green (sodium heparin, no gel)
Causes for Rejection:Clotted or frozen specimen. Incorrect specimen collection tube (anticoagulant).


Processing and Shipping

Specimen Processing:Store at room temperature. Do NOT refrigerate or freeze. Do not process.
Specimens must be received in the Cytogenetics Laboratory Mon-Fri by 5:30 pm. Weekends and holidays by 4:30 pm. Specimens received after these cutoffs will be processed the following day.
Shipping Instructions:Ship at room temperature.
Stability:
For optimal testing results the specimen must arrive within 24 hours.  
Test Performed at or Referral Lab Cytogenetics  (UMMC-East Bank)


Click HERE to Report test errors or omissions.
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