Test Requisitioning

Ordering a Test and Sending Specimens

The immunogenetics tests may be ordered through provider order entry (POE) or by completing a requisition.

Please follow the chart below to determine the correct specimen needed.

Test Name	Specimen Requirements
HLA Type I Typing (ABC)	1 Yellow Top (ACD) Tube
HLA Type II Typing (DR, DQ, DRw)	1 Yellow Top (ACD) Tube
Class I High Resolution DNA Typing (A,B,C)	1 Yellow Top (ACD) Tube
Class II High Resolution DNA Typing (DR, DQ)	1 Yellow Top (ACD) Tube
HLA Antibody Screen/ID, Class I	1 Red Top Tube
HLA Antibody Screen/ID, Class II	1 Red Top Tube
T and B Cell Crossmatch	4 Yellow Top and 1 Red Top Tube
Flow Cytometric Crossmatch	4 Yellow Top and 1 Red Top Tube
Endothelial Cell Crossmatch	4 Yellow Top and 1 Red Top Tube
Anti-Angiotensin Receptor 1 Antibody	1 Red Top Tube
HLA B-Cell Quantification	4 Yellow Top Tubes

Specimens should be labeled with the name, date and unique identifier.
Specimens from the Johns Hopkins Hospital East Baltimore Campus may be sent to the Johns Hopkins Core Laboratory or delivered to the Immunogenetics Laboratory.
Specimens from outside the Johns Hopkins Hospital East Baltimore Campus must follow these shipping instructions.
Please contact the Immunogenetics Laboratory (410-955-3600) for additional information.

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