Myeloperoxidase (MPO), for cardiac risk evaluation
Test Mnemonic
MPO
CPT Codes
- 83876 - QTY (1)
Includes
- Myeloperoxidase (MPO)
Performing Laboratory
LabCorp
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Plasma | EDTA (Lavender) | Place specimen on ice after draw. | Refrigerated | CRITICAL REFRIGERATED. Place specimen on ice to chill. Within two hours of collection, centrifuge and aliquot approximately 2/3 of the upper plasma layer into a standard aliquot tube and refrigerate. Separate specimens must be submitted when multiple tests are ordered. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Plasma | Sodium or Lithium heparin (Green) | Place specimen on ice after draw. | CRITICAL REFRIGERATED. Do not use gel barrier tube. Place specimen on ice to chill. Within two hours of collection, centrifuge and aliquot approximately 2/3 of the upper plasma layer into a standard aliquot tube and refrigerate. Separate specimens must be submitted when multiple tests are ordered. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | Unacceptable |
| Frozen | 6 months |
| Refrigerated | 5 days |
Days Performed
Varies
Turnaround Time
3 - 5 days
Methodology
| Name | Description |
|---|---|
| Latex Enhanced Immunoturbidimetric Method |
Reference Range
| Myeloperoxidase | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | Low risk: < 470 | pmol/L | Normal | Moderate risk: 470 - 539 | pmol/L | Normal | High risk: >= 540 | pmol/L |
Special Info
CRITICAL REFRIGERATED. Do not use gel separator tubes.
Clinical Info
Elevated levels of plasma MPO are a sensitive indicator of inflammatory disorders.
Clinical Limitation
Erratic results can be observed if plasma is not centrifuged and separated from red cells immediately.