| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Immune Screen, Blood
MessageNote: This test is not performed unless #379 Coombs, Direct, Blood is positive
Test Code
716
CPT Codes
86850
Preferred Specimen
Lavender-top (EDTA) tube and plain, red-top tube-Serum gel tube is not acceptable
Cord blood or capillary blood may be used (minimum volume: 1 mL of cord blood or capillary blood).
Cord specimen must be labeled with mother’s information as well as baby’s information
Cord blood or capillary blood may be used (minimum volume: 1 mL of cord blood or capillary blood).
Cord specimen must be labeled with mother’s information as well as baby’s information
Minimum Volume
Full tubes of blood
Transport Temperature
Refrigerate
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum gel tube is not acceptable
Methodology
Indirect Coombs Test
Setup Schedule
Monday through Sunday
Reference Range
No established reference values
Clinical Significance
Useful for evaluation of a positive direct Coombs test on an infant specimen due to an ABO incompatibility or another maternal alloantibody.
Performed By
CoxHealth
