Chromosome Analysis, Malignant Tissue

Abbrev Code:TMRCC   
Order Code:LAB4713Order Name:Chromosome Analysis, Malignant Tissue
Synonyms:CHROMO MT; Tumor; G-band; Neoplastic
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

A signed informed consent in the patient's medical record is required. The consent should not be sent to the laboratory. The link to the Genetic Testing Consent form is provided as a convenience for the providers and genetic counselors. See Associated Links.

Collection Instructions

Specimen:Neoplastic tissue
Cerebrospinal Fluid (CSF): Cytospin
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.
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