Telomere Length Measurement
Test Mnemonic
TELMSR
CPT Codes
- 88182 - QTY (1)
Includes
- Telomere length
Performing Laboratory
Johns Hopkins Genomics
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 18 mL | Whole blood | ACD A (Yellow) | Ambient | Complete required test requisition. Specimen must be delivered to Cleveland Clinic Laboratories by 3 p.m. Collect Monday through Thursday only, and do not collect the day before or the day of a major holiday. Separate specimens must be submitted when multiple tests are ordered. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 12 mL | Adults only: 12 mL whole blood ACD A (Yellow) | ||||
| 3 mL | Pediatric only: 3 mL whole blood EDTA Lavender |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | ACD A: 72 hours; EDTA: 24 hours |
| Refrigerated | Unacceptable |
| Frozen | Unacceptable |
Days Performed
Varies
Turnaround Time
15 - 22 days
Methodology
| Name | Description |
|---|---|
| Flow Cytometry (FC) | |
| Fluorescent In-Situ Hybridization (FISH) |
Special Info
Provide brief clinical history. Keep specimens at room temperature. Prefer receipt in performing laboratory within 24 hours of collection.
Clinical Info
Telomere length measured by flow cytometry and FISH.