Sign in →

Test ID TGGB Glycerol-Corrected Triglycerides, Serum

Useful For

Evaluation of pseudohypertriglyceridemia for possible glycerol kinase deficiency


Evaluation of triglyceride as a cardiovascular risk factor in individuals with elevated cholesterol values

Reporting Name

Glycerol Corrected Triglycerides, S

Specimen Type


Specimen Required

Patient Preparation:

1. Fasting-overnight (12-14 hours)

2. Patient must not consume any alcohol for 24 hours before the specimen is collected.


Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.5 mL

Collection Instructions:

1. Serum gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days
  Frozen  60 days
  Ambient  24 hours

Reference Values


The National Cholesterol Education Program (NCEP) has set the following guidelines in adults ages 18 and up:

Normal: <150 mg/dL

Borderline high: 150-199 mg/dL

High: 200-499 mg/dL

Very high: ≥500 mg/dL


The National Cholesterol Education Program (NCEP) and National Health and Nutrition Examination Survey (NHANES) has set the following guidelines in children ages <2:

<2 years: Reference values have not been established for patients who are <24 months of age.


2-9 years:

Acceptable: <75 mg/dL

Borderline high: 75-99 mg/dL

High: ≥100 mg/dL


10-17 years:

Normal: <90 mg/dL

Borderline high: 90-129 mg/dL

High: ≥130 mg/dL



<18 years: Reference values have not been established for patients who are <18 years of age.

>18 years: 40-370 mcmol/L

Day(s) and Time(s) Performed

Monday through Saturday; Continuously

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
TGGB Glycerol Corrected Triglycerides, S 94859-6


Result ID Test Result Name Result LOINC Value
TGCD2 Total Triglycerides, CDC, S 1644-4
TRIGB Corrected Triglyceride 94865-3
GLYCL Glycerol, Calculated 94858-8

NY State Approved


Method Name

Enzymatic Colorimetric


If not ordering electronically, complete, print, and send a Cardiovascular Test Request (T724) with the specimen.

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.