Isohemagglutinin Titer

Last Modified: 2/9/2022 6:00:19 AM


Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 2.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions: Let blood clot, centrifuge and separate
Minimum Volume: 1.0 mL Serum
Transport & Storage: Temperature/Stability: Unacceptable Ambient
7 days Refrigerated - Transport
60 days Frozen
Rejection Criteria: Serum Separator Tube (SST or PST) • Gel • Ambient
Reference Range: Isohemagglutinin Titer A1  <1:2 
Isohemagglutinin Titer A2 < 1:2 
Isohemagglutinin Titer B   < 1:2 
Critical Ranges:  
Test Comments:  
Methodology: Hemagglutination
Clinical Significance: Determine the isohemagglutinin status of the patient. Maternal isohemagglutinins are associated with ABO-hemolytic disease of the newborn.
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 3 to 4 days
Days Performed: Tuesday, Friday
Sites Performed: Quest - Chantilly to Valencia
PHL Test Code: ISOH
EPIC Test Code: LAB2781
Send Out Test Code: 29837
Alternate Test Names: Isohemagglutinin
Included Tests: Isohemagglutinin Titer A1; Isohemagglutinin Titer A2; Isohemagglutinin Titer B
CPT Coding: 86886 x 3

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