Chromosome Analysis, Malignant Tissue

Abbrev Code:TMRCC   
Order Code:LAB4713Order Name:Tumor
Sunquest Code (non-Epic sites):TMRCC  
Methodology:Chromosome analysis by G-banding.
CPT Codes: 88239 x1, 88264 x1, 88280 x1, 88291 x1
Turnaround Time:Results are reported within 7-21 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

Collection Instructions

Specimen:Neoplastic tissue
Optimal Volume:1 cm3
Minimum\Peds Volume:5 mm3
Container:Container, Tissue, sterile
Alternate Containers: Plastic leakproof container, sterile
Collection Instructions:Collect in tissue culture media.

Processing and Shipping

Specimen Processing:Do not process. Store at room temperature. Do NOT refrigerate or freeze.
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.
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.
*If no email program is associated with this computer, please contact: for TestID: 1401"