PLHBB - Specimen: Plasma Hemoglobin, Plasma

Test Catalog

Test Name

Test ID: PLHBB    
Plasma Hemoglobin, Plasma

Specimen Type Describes the specimen type validated for testing

Plasma EDTA

Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

Container/Tube: Lavender top (EDTA)

Specimen Volume: 2 mL

Collection Instructions:

1. Spin down and transfer plasma to an aliquot tube within 2 hours of draw.

2. IMPORTANT-Results could be falsely elevated due to artifactual postdraw RBC lysis, if not spun down within 2 hours.


If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

Hematopathology/Molecular Oncology Request Form (T241) (

Benign Hematology Test Request Form (T755) (

Specimen Minimum Volume The amount of sample necessary to provide a clinically relevant result as determined by the Laboratory.

1.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected


Mild OK; Gross OK


Mild OK; Gross OK





Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperatures are also included.

Specimen TypeTemperatureTime
Plasma EDTARefrigerated (preferred)7 days
 Frozen 7 days
 Ambient 4 days