Test Code PLHGB Plasma Free Hemoglobin, Plasma
Additional Codes
| Mayo Test ID |
|---|
| PLHBB |
Reporting Name
Plasma Free Hemoglobin, PUseful For
Determining whether hemolysis is occurring such as from:
-Transfusion reaction
-Mechanical fragmentation of red blood cells
-Relative comparison to baseline levels in extracorporeal membrane oxygenation and centrifugal ventricular assist device patients to assess pump disruption
Method Name
Spectrophotometry (SP)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Plasma EDTASpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Lavender top (EDTA)
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL Plasma
Collection Instructions:
1. Within 2 hours of collection, centrifuge and aliquot plasma into a plastic vial.
2. Results could be falsely elevated due to artifactual red blood cell lysis if not centrifuged within 2 hours of collection.
Specimen Minimum Volume
Plasma: 1.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma EDTA | Refrigerated (preferred) | 20 days |
| Frozen | 30 days | |
| Ambient | 4 days |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
Reference Values
Total plasma hemoglobin
≥12 months: 0.0-15.2 mg/dL
Reference values have not been established for patients younger than 12 months.
Oxyhemoglobin
≥12 months: 0.0-12.4 mg/dL
Reference values have not been established for patients younger than 12 months.
Day(s) Performed
Monday through Sunday
CPT Code Information
83051
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PLHBB | Plasma Free Hemoglobin, P | 87433-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 31970 | Total Plasma Hemoglobin | 721-1 |
| 31971 | Oxyhemoglobin | 87437-0 |