Lipoprotein Fractionation NMR without Lipids
Test Mnemonic
NMRPRT
CPT Codes
- 83704 - QTY (1)
Includes
- LDL-P
- Small LDL-P
- LDL Size
- HDL-P
- Large HDL-P
- HDL Size
- Large VLDL-P
- VLDL Size
Performing Laboratory
Cleveland HeartLab, Inc.
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Serum | No additive (Red) | Refrigerated | Patient should be fasting 12 hours. Do not use gel separator tubes. Gently invert specimen five times (DO NOT SHAKE) and allow to clot at room temperature for 30 to 60 minutes. Centrifuge for 10 minutes and transfer serum to a standard aliquot tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | 7 days |
| Frozen | 10 days |
| Ambient | Unacceptable |
Days Performed
7 days a week
Turnaround Time
3 - 4 days
Methodology
| Name | Description |
|---|---|
| Nuclear Magnetic Resonance Spectroscopy |
Reference Range
Special Info
Patient should be fasting 12 hours prior to collection. Grossly hemolyzed or grossly lipemic specimens will be rejected. Specimens other than the preferred specimen type will also be rejected. Gel separator tubes will not be accepted. Only serum from plain no additive (red) tubes will be accepted. Improper storage/labeling or samples outside of stability limits are unacceptable.
Clinical Info
This test is used to help assess the risk for cardiovascular disease (CVD) in patients with intermediate or high risk based on traditional or emerging risk factors, and to assess therapeutic response in patients undergoing lipid-lowering therapy.