Test Code TG Triglycerides
Additional Codes
| EPIC | LAB4204 |
Clinical Significance
Triglycerides are esters of the trihydric alcohol glycerol with 3 long‑chain fatty acids. They are partly synthesized in the liver and partly ingested in food.
The determination of triglycerides is utilized in the diagnosis and treatment of patients having diabetes mellitus, nephrosis, liver obstruction, lipid metabolism disorders and numerous other endocrine diseases.
Source: Roche Cobas TRIGL Method Sheet Version 5.0 2024-05
Methodology
Enzymatic colorimetric test (Roche Cobas c503)
Sample Type
| Preferred Sample Type | |
|---|---|
| Light green top - Plasma | |
| Acceptable Sample Type(s) | |
|---|---|
| Dark green top - plasma | |
| Yellow top - Serum | |
| Red top - Serum | |
Centrifuge: Yes
Specimen Minimum Volume
55 uL with insert cup
Specimen Stability
Plasma
| Temperature | Time |
|---|---|
| Ambient (20-25°C) | 2 days |
| Refrigerated (4°C) (store) | 15 days |
| Frozen (-20°C) | 3 months* |
Serum
| Temperature | Time |
|---|---|
| Ambient (20-25°C) | 2 days |
| Refrigerated (4°C) (store) | 10 days |
| Frozen (-20°C) | 3 months* |
Separate plasma or serum from cells within 2 hours.
*Freeze only once!
Reference Ranges
| Normal Range | |
|---|---|
| <150 mg/dL |
| Technical Range | |
|---|---|
| 9 - 885 mg/dL |
Rejection Criteria
| Hemolysis | Index >700 |
|---|---|
| Icterus | Index >10 |
| Lipemia | N/A |
Do not ultracentrifuge!
Availability
| Performed | STAT |
|---|---|
| 24/7 | Yes |
Performing Laboratory
MultiCare Yakima Memorial Hospital Laboratory
Lab Department
Chemistry
CPT Code
84478
LOINC
2571-8 Triglyceride [Mass/Vol]