Chromosome Analysis, Bone Marrow, Diagnosis/Relapse

Abbrev Code:BMCHCG   
Order Code:LAB890Order Name:Chromosome Analysis, Bone Marrow, Diagnosis/Relapse
Synonyms:BMCHRMB; CHROMO BM; Cancer, Bone Marrow; G-band; Neoplastic
Methodology:Chromosome analysis by G-banding.
CPT Codes: 88237 x1, 88264 x1, 88280 x1, 88291 x1
Turnaround Time:Results are reported within 2-21 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:Bone marrow aspirate or trephine biopsy
Optimal Volume:5 mL bone marrow aspirate or 1 cm trephine biopsy
Minimum\Peds Volume:3 mL bone marrow aspirate or 1 cm trephine biopsy
Container:Dry heparin syringe
Alternate Containers: Container, Tissue, sterile
Collection Instructions:
If aspiration is impossible, a trephine biopsy should be obtained. Collect 5 mL of sodium heparinized peripheral blood in addition to the bone marrow in all cases of newly diagnosed acute leukemia.
  • Bone marrow aspirate: Collect in sterile sodium heparin syringe.
  • Bone marrow biopsy: Collect in sterile specimen cup with tissue culture medium.
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.
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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