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Table 1 Blood sample handling and test methods of our patient

From: Manual flagging failed to identify pseudohyperkalemia in acute myeloid leukemia: case report

Time drawn

4/3/2024

12:00 pm

4/3/2024

20:03 pm

4/3/2024

20:48 pm

4/3/2024

23:37 pm

Sample

A

B

C

D

Tests

Met 15

Met 10

Met 10

Met 10

Potassium(mEq/L)

3.0

6.7

7.8 A

3.6 B

Setting

Home

ED

ED

ED

Collection tubeC

Light green top

Dark green top

Dark green top

Dark green top

Anticoagulant D

Lithium Heparin

Lithium Heparin

Lithium Heparin

Lithium Heparin

Sample transport

Courier and Walk

Pneumatic tube

Pneumatic tube

Walk

Blood tested

Plasma

Whole bloodE

Whole bloodE

Whole bloodE

Lab location

Main lab

Main lab

Main lab

Main lab

ChemistryAnalyzer

Beckman Coulter AU5800

NovaBiomedical

Stat Profile pHOx Ultra

NovaBiomedical

Stat Profile pHOx Ultra

NovaBiomedical

Stat Profile pHOx Ultra

  1. A After Potassium of 7.8 mEq/L was reported, anti-hyperkalemic medical treatment was administered (see text); B Obtained about 30 min after anti-hyperkalemic medical treatment; C BD vacutainer blood collection tube; D Coating inside of collection tube; E Without centrifugation