Sign in →

Test Code TG Triglycerides

Important Note

Patient should be fasting for 12 hours.

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]