These ABO, Rh, and antibody screen results were obtained by the transfusion services laboratory using the blood specimen that was collected prior to starting the emergency transfusion with O Rh-negative Red Blood Cells. ABO and Rh typingABO Forward GroupABO Reverse GroupRh anti-Aanti-BA1 cellsB cellsanti-D004+4+3+Antibody screen Cells Gel IAT*Screen Cell I 3+Screen Cell II 2+Screen Cell III 2+* I

How to Subscribe

MLS & MLT Comprehensive CE Package Includes 180 CE courses, most popular	$109	Add to cart
Pick Your Courses Up to 8 CE hours	$55	Add to cart
Individual course	$25	Add to cart

Need multiple seats for your university or lab? Get a quote

The page below is a sample from the LabCE course The Disappearing Antibody: A Case Study. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about The Disappearing Antibody: A Case Study (online CE course)

These ABO, Rh, and antibody screen results were obtained by the transfusion services laboratory using the blood specimen that was collected prior to starting the emergency transfusion with O Rh-negative Red Blood Cells.

ABO and Rh typing

ABO Forward Group		ABO Reverse Group		Rh
anti-A	anti-B	A₁ cells	B cells	anti-D
0	0	4+	4+	3+

Antibody screen

Cells	Gel IAT*
Screen Cell I	3+
Screen Cell II	2+
Screen Cell III	2+

* IAT = indirect antiglobulin test

What is the patient's ABO group?

Please select the single best answer

	AB
	A
	B
	O