Routine Chromosome Analysis on Bone Marrow (RCA-BM)

CPT Code(s)

88237, 88264, 88280, 88291

Synonym(s)

Bone Marrow Chromosome Analysis / Chromosome Analysis for Leukemia

Performed

In-House

Methodology

Unstimulated  short-term  culture;  chromosome  preparation  and  banding; microscopic analysis and karyotype; interpretation and report

Panel/Profile Components

N/A

Critical Values

STAT (Promyelocytic Leukemia): Preliminary results in 24 hours

Specimen Collection / Handling Requirements

1. Whole bone marrow collected in green top – sodium heparin tube
2. Store and ship at room temperature
3. Avoid freezing or heating
4. Ship within 24 hours
5. Delay > 24 hours – Refrigerate the sample
6. A complete requisition slip must accompany all specimens and the specimen must be labeled with the patient’s name and identification
7. ANY SPECIMENS RECEIVED WITHOUT A COMPLETE REQUISTION OR AN UNLABELED SPECIMEN WILL BE REJECTED.
8. All requisition must have a valid ICD-10 code/clinical indication and must have the name of an authorized Any sample without this information will be rejected.

Minimum Specimen Requirements

Optimal Quantity: 3-4 ml; Minimum Quantity: 1-2 ml

Turnaround time

Total testing time: 10 days

Communication

1. Turnaround time non-conformity: Email or call Pathologist on request form to notify them of the
2. Technical Updates: Email Applicable Laboratory

Quality

QA/Utilization Report