| Date Posted |
Subject |
| Dec. 23, 2011 |
Why is an AHG (serologic) crossmatch required when the antibody screen is positive? |
| July 19, 2011 |
Computer Crossmatch ADDENDA July 22 & 25 |
| Apr. 2, 2011 |
Are American Transfusion Services screening for Diego(a) antibody? |
| Sept. 29, 2009 |
A problem with 12x75 glass tubes cracking when retesting blood donor units using an automated Gel-based technology ADDENDA Oct. 4 & 8 |
| Mar. 28, 2009 |
Emergency transfusion of uncrossmatched blood to injured patients via helicopter personnel in the field |
| Dec. 26, 2008 |
Performance of the Direct Antiglobulin Test when doing antibody screening or crossmatching |
| Dec. 15, 2008 |
Performing the direct antiglobulin test without using tubes ADDENDA Jan. 28, 2009 |
| Sept. 15, 2008 |
Why 3 months for prior transfusion history? |
| Mar. 5, 2008 |
Is incomplete re-suspension in automated cell washers acceptable? |
| Jan. 12, 2008 |
Is
anyone using a micro titre tube method? ADDENDA Feb. 19 |
| Oct. 3, 2006 |
The serological and/or clinical significance of indicating "strong" or "weak" notations when grading antigen-antibody reactions ADDENDA Oct. 4 |
| Aug. 3, 2006 |
The medical necessity of continuing to perform crossmatches on RBC units for patients who have experienced massive transfusion of at least 8-10 RBCs in less than 24 hours ADDENDA Aug. 7 |
| May 23, 2006 |
Is ABO, Rh and/or K typing routinely performed by phenotyping or genotyping by the UK National Blood Service? ADDENDA May 31 |
| May 12, 2006 |
Is it considered acceptable to use a patient's historical ABO/Rh result from a previous visit when filling an order for FFP? |
| Mar. 30, 2006 |
Do transfusion service laboratories use a 'control' to check for spontaneous agglutination to rule out possible false positive results when performing a direct antiglobulin test (DAT) by GEL Test Technology? ADDENDA Apr. 6 |
| Oct. 3, 2005 |
QC checks for ABO typing reagents; what
is required for compliance with rules/regulations
versus what is needed to assure test results
are accurate for patients who might need transfusion? ADDENDA Oct.
4; Nov. 22, 2007 |
| Aug. 5, 2005 |
Do transfusion service laboratories with automated equipment use the same QC reagents for the daily QC of their automated equipment and for the rack(s) of reagents that might be used in manual testing, in the event the automated equipment malfunctions? |
| June 24, 2005 |
Provision of A1 and B reagent red cells negative for M and Lewis antigens ADDENDA June 28 & July 4 |
| May 23, 2005 |
How do hospital transfusion service laboratories perform quality control (QC) testing for reagent red cells that are part of an antibody identification panel? ADDENDA May 31, June 1 & Aug. 21 |
| May 3, 2005 |
Blood grouping prerequisites for electronic crossmatching in a fully automated environment (including electronic transfer of results) ADDENDA May 4, 8 & 10 |
| Mar. 22, 2005 |
Interpretation of AABB Standards for pre-transfusion compatibility testing of two-unit red cell apheresis products from the same donation ADDENDA Mar. 23 |
| Mar. 9, 2005 |
Addressing the proposed new requirements for verification of donor-recipient ABO compatibility in organ procurement and transplantation ADDENDA Mar. 10 |
| Aug. 15, 2004 |
An alternative approach to ABO/Rh donor unit confirmation testing ADDENDA Aug. 21 |
| June 19, 2004 |
Revisions for the package inserts for the 0.8% Reagent Red Blood Cell product line which is used with the GEL Technology ADDENDA Jan. 16 & 18, 2006 |
| June 17, 2004 |
Does a history of transient passively acquired anti-D from receipt of RhIG disqualify a patient for an electronic crossmatch? ADDENDA June 23 |
| Mar. 27, 2004 |
Report of bubbles in the columns of ABD gel cards ADDENDA Mar. 30 |
| Feb. 8, 2004 |
Methods to obtain appropriate reaction strength when performing daily reagent QC using gel cards ADDENDA Feb. 10, 15 & 19 |
| May 29, 2003 |
What is the experience with using washed red cells for the immediate spin test to reduce the nondetection rate for ABO incompatibility? ADDENDA June 3 |
| May 3, 2003 |
What is a reasonable parallel testing scheme for verifying equivalence between a manual tube technique and a gel automated technique? |
| Apr. 2, 2003 |
What are the QC requirements for isotonic saline used with automatic cell washers? ADDENDA April 5 |
| Mar. 6, 2003 |
Are laboratories following the requirement to use complement-coated RBCs for validating negative direct antiglobulin tests (DATs) performed with anti-C3b, -C3d reagents? ADDENDA Mar. 12 & 13 |
| Feb. 3, 2003 |
Reconciling conflicting results for Rh typing using different test reagents ADDENDA Feb. 4 & 5, 2003; Mar. 25, 2007; June 11, 2008; Jan. 18, 2009 |
| Jan. 30, 2003 |
Do institutions that use the Gel method for ABO grouping encounter ABO grouping discrepancies due to failure of the test system to detect expected ABO antibodies? ADDENDA Jan. 31, Feb. 5 & 6 |
| Nov. 21, 2002 |
How do colleagues test for and report Rh typing results of individuals who are weak D positive? |
| Dec. 21, 2001 |
Type and screen for scheduled elective surgical cases ADDENDA Dec. 26 |
| Nov. 14, 2001 |
Use of immediate spin phase when crossmatching using PEG-AHG or GEL-AHG techniques |
| Oct. 10, 2001 |
Use of immediate spin phase when crossmatching using PEG technique |
| Sept. 20, 2001 |
Experience using PEG versus LISS for antibody detection ADDENDA Sept. 21 |
| Aug. 26, 2001 |
What factors influence the decision to switch to tubeless techniques for compatibility testing? |
| Aug. 20, 2001 |
Strategies for STAT provision of blood for patients who bleed out in a cardiovascular OR and/or ICU ADDENDA Aug. 22 |
| July 22, 2001 |
Management of Compatibility Testing When a Patient is Transferred To Another Hospital Sharing the Same Transfusion Service SOPs and Computer System. ADDENDA Aug. 1, 2001 |
| July 13, 2001 |
What is the status of automated pre-transfusion compatibility testing in the USA? ADDENDA July 14, 2001; Jan. 8, 10, 19 & 25, 2006 |
| April 14, 2001 |
The Need for A Physician's Order for "Keep Ahead" Crossmatched Units |
| Feb. 14, 2001 |
False-negative Results with PEG Red Cell Antibody Test - Due to Elevated Serum Globulins ADDENDA Feb. 15, 2001 |
| Feb. 11, 2001 |
Antibody Detection by Gel and Solid Phase Techniques |
| Dec. 12, 2000 |
Compatibility Testing for Issuing Non-RBC Components |
| Oct. 30, 2000 |
Should a reference laboratory discontinue testing for weak D for ALL patients? |
| April 28, 2000 |
Interference of "Hextend" with Compatibility Testing? |
| Feb. 28, 1999 |
Repeat testing for weak D in females of childbearing age? |
| Feb. 28, 1999 |
Is it necessary to do daily QC of anti-C3b, C3d reagents? (Updated 3-8-99) |
