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Chromosome study - Malignant tissue-4280J

Test info

Test name:

Chromosome study - Malignant tissue

Test number:

4280J

Excellian order number:

LAB4280J

Alternate names:

Oncology karyotype analysis, tumor

Specimen

Specimen type:

Involved solid tumor or other tissue

Volume:

5 mm (3)

Processing instructions:

Place specimen in a sterile container filled with sterile culture medium, sterile Hanks Balance Salt Solution (HBSS) or sterile saline within one (1) hour of procedure

Transport container:

Sterile container filled with sterile culture medium, sterile Hanks Balance Salt Solution (HBSS) or sterile saline

Transport and stability:

Ambient (strict)

Reason for rejection:

Improper label (unlabeled or mislabeled)
Wrong container (anticoagulant or solution)
Delay in transport
Improper storage
Leaking container

Performance

Performing lab:

AHL - Cytogenetics: X

Days set up:

Daily

TAT:

14 days
Call lab if analysis needs to be expedited.

Method:

G-Banding

Clinical and Interpretive info

Reference ranges:

An interpretive report will be provided

Billing

CPT codes:

88239
88262

Reflex (if appropriate)
88285 - additional cells counted

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Tracking

Date created:

05/26/2015

Revised date:

02/24/2026

Review date:

02/23/2026