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HelpTest Code 8479 ABO & Rh Typing
Purpose
Determining blood group ABO and Rh type for transfusion candidates. Group and typing of expectant mothers and newborns may indicate potential for ABO hemolytic disease of the fetus/newborn. Rh typing is used to determine Rh immune globulin candidacy for prenatal and postpartum patients.
Performing Laboratory
Copley Hospital
Methodology
Hemagglutination
Specimen Requirements
Specimen Type: Blood (Plasma & RBCs)
Container/Tube: Pink Top
Specimen Volume: Full Tube
Specimen Minimum Volume: 5 mL
Collection Instructions:
1. Invert tube 8 times immediately after collection.
2. Label specimen with patient’s full name, date of birth,
date & time of collection, and person collecting.
3. Specimen must be witnessed/collected by laboratory.
Reference Values
Normal: Negative or Positive: AB, A, B, O
Stability
Refrigerated: 7 Days
Day(s) Performed
Daily
Available STAT
Analytical Time: 1 Day
Aliases
ABO
ABO Rh
ABO Type
Blood Type
Test Classification & CPT Coding
NA