HDL Cholesterol Subclasses
Test Mnemonic
HDLSUB
CPT Codes
- 83701 - QTY (1)
Aliases
- High Density Lipoprotein Cholesterol Subfractions
Includes
- HDL2
- HDL3 Cholesterol
- HDL2/HDL3 Ratio
Performing Laboratory
Quest SJC
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 3 mL | Serum | No additive (Red) | Refrigerated | If a cholesterol measurement is to be performed along with other lipid tests, the patient should fast 9-12 hours prior to collection. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 3 mL | Plasma | Sodium heparin (Green) | Refrigerated | If a cholesterol measurement is to be performed along with other lipid tests, the patient should fast 9-12 hours prior to collection. | |
| 3 mL | Serum | SST (Gold) | Refrigerated | If a cholesterol measurement is to be performed along with other lipid tests, the patient should fast 9-12 hours prior to collection. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 1 day |
| Refrigerated | 1 week |
| Frozen | 2 weeks at -20C; 1 year at -70C |
Days Performed
5 days per week
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| Colorimetry | |
| Enzymatic | |
| Precipitation |
Reference Range
| HDL2 Cholesterol | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 9 - 38 | mg/dL | |||
| HDL3 Cholesterol | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 22 - 35 | mg/dL |
Special Info
Patient Prep: If a cholesterol measurement is to be performed along with other lipid tests, the patient should fast 9-12 hours prior to collection.
Clinical Info
Evaluation of risk for coronary artery disease Elevations in triglycerides may affect analysis. Estrogen therapy and clofibrate (Atromid-S) will increase levels.