Oct 18 2022

george

Platelet Clumping in Sodium Citrate

Here is a reprise of a Fritsma Factor post that appeared a few years ago: Here is a question on platelet clumping or satellitosis in citrate tubes from Georgina Gibbons at Summit Health. Do you have any information on patients that have platelet clumping in both the EDTA and sodium citrate tubes? We have found […]

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Specimen Management

Oct 18 2022

george

Should all Coagulation Specimens be PPP?

A reprise of a post from a few years ago: At the Mayo Medical Laboratories Coagulation Testing Quality Conference in Minneapolis, Dr. Dorothy Adcock Funk of Esoterix reported on the 2008 revision of Clinical and Laboratory Standards Institute (CLSI) Standard H21-A5, Collection, Transport, and Processing of Blood Specimens for Testing Plasma-Based Coagulation Assays and Molecular Hemostasis Assays. One interesting […]

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Blog

Sep 30 2022

george

October 2022 Quick Question: Underfilled Tubes

Our October 2022 Quick Question asks, "What is your policy on underfilled tubes?" For some preliminary answers, please review our September 20, 2022

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Quick Question Archive

Sep 30 2022

george

September 2022 Quick Question: Specimen Management Summary

Our September 2022 Quick Question was, "You collect blood for a heparin assay. How soon must you centrifuge the specimen?"

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Quick Question Archive

Sep 20 2022

george

Underfilled Tubes

I received this question on September 15 from Carolina Vilchez: I am Carolina Vilchez, an Adjunct Professor

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Specimen Management

Aug 31 2022

george

September 2022 Quick Question: Specimen Management

Our September 2022 Quick Question asks, "You collect blood for a heparin assay. How soon

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Quick Question Archive

Feb 27 2022

george

CAP Today: Specimen Collection

Here are two CAP Today front-page articles featuring Dorothy Adcock, MD and Richard Marlar, PhD regarding coagulation specimen collection: September 2021: In Coag Collections, Every Detail Counts February 2022: Steps to Preventing Coag Test Processing Error These are richly referenced articles that draw attention to International Council for Standardization in Haematology guidelines.

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Specimen Management

Dec 15 2021

george

More on Hemolysis Level and Coag Assays

We have received additional comments [click] on IL instrument “HIL” functions from Dr. Russell [Rusty] Higgins.

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Specimen Management

Nov 18 2021

george

Hemolysis Level and Coag Assays

A timely question from Frank Cragg, MD, Nova Scotia Health. “Hi, I have the IL 750 ready to implement but am getting conflicting information on how much hemolysis to allow. Please help. Regards, Frank Cragg MD, FRCPC [C]. Hello, Dr. Cragg, and thank you for your question, which I’ve forwarded to several experts. Although more […]

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Screening Assays

Oct 31 2021

george

October, 2021 Quick Question: Blue-top Tube Shortage

Our October 2021 Quick Question asked, “How are you managing the blue-top tube shortage?” We had a brisk response with 22 participants answering as follows: We have seen no shortage: 32% [7] Purchase control plasmas: 0% Alternate tube source: 41% [9] Prep our own tubes: 9% [2] Reduce coag orders. 18% [4] Although a third […]

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Quick Question Archive