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St. John Health System
Lab Catalog


Index:

Plasma Hemoglobin

Order Name PLASMA HGB
Test Number: 2004550
Revision Date 06/04/2021
Test Name Methodology LOINC Code
Plasma Hemoglobin
Spectrophotometry 721-1 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2 mL (0.5mL ) Plasma Lithium Heparin PST (Light Green Top) Refrigerated or Frozen
Instructions Must have red cell free plasma!
Separate plasma from cells immediately and aliquot approximately 2.5mL of plasma into plastic aliquot tube.
Then centrifuge that plastic aliquot tube second time and aliquot 2mL(0.5mL) of red cell free plasma. 

If testing is not going to be performed immediately please refridgerate or freeze final aliquot.

Stability: Refrigerated 7 days, Frozen 3 months
GENERAL INFORMATION
Testing Schedule Mon - Fri 
Expected TAT 1-3 days  
Clinical Use Useful for determining whether hemolysis is occurring such as from transfusion reaction and mechanical fragmentation of red blood cells. 
CPT Code(s) 83051
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Chemistry