Chromosome Analysis, Rule Out Mosaicism
Test Mnemonic
CHRMOS
CPT Codes
- 88230 - QTY (1)
- 88263 - QTY (1)
- 88289 - QTY (1)
Performing Laboratory
Cleveland Clinic Laboratories
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 5 - 7 mL | Whole blood | Sodium heparin (Green) | Ambient | Ambient | Transport blood at room temperature and store at room temperature for no more than 48 hours. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Transport blood at room temperature and store at room temperature for no more than 48 hours. |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 48 hours |
| Refrigerated | Acceptable for transport. |
| Frozen | Unacceptable |
Days Performed
7 days a week
Turnaround Time
14 days
Methodology
| Name | Description |
|---|---|
| Culture Karyotyping Microscopy |
Clinical Limitation
Increased number of cells counted/analyzed to rule out low-level mosaicism.