| Ordering Code | 228 | 
|---|---|
| Test Name | Triglycerides | 
| Alias | TGL TG Trig Triglyceride | 
| Preferred Specimen | Serum | 
| Preferred Container | SST (Gold) | 
| Other Specimen/Container | Serum in Plain (Red), Plasma in Lithium Heparin (Green-PST), Plasma in Lithium Heparin (Dark Green-PP No Gel) | 
| Optimum Volume | 1 mL | 
| Collection Instructions | Fasting specimen preferred, but not required. | 
| Handling Instructions | All specimen types must be centrifuged within 2 hours of collection. If no gel separation present in tube and testing is delayed, plasma/serum is aliquoted from cells within 2 hours of collection. | 
| Transport Requirements | Oahu: Refrigerated Airline: Refrigerated | 
| Specimen Stability | Refrigerated: 7 Days Frozen: 3 Months (Aliquot) Frozen samples should be thawed only once. | 
| Rejection Criteria | Grossly hemolyzed, Insufficient quantity, Specimen older than stability limits | 
| Avail. Stat | NO | 
| Analytic Time | 1 Day | 
| Methodology | Enzymatic, endpoint | 
Reference range(s)
The reference ranges listed below are valid on this date of October 31, 2025.
      | Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info | 
|---|---|---|---|---|---|---|---|---|---|
| Triglycerides | ALL | <150 | <150 | mg/dL |