SAMPLE STORAGE

7.1  Pre-analytical storage

When the samples are not immediately processed, they are stored as follows:

 

Type of test

Storage place

Storage conditions

Storage time

Hematology

Room temperature

15 – 25°C

4 hours

Sedimentation rate

Room temperature

15 – 25°C

2 hours

Coagulation

Room temperature

15 – 25°C

2 hours

Biochemistry

Room temperature

15 – 25°C

4 hours

Immunology

Room temperature

15 – 25°C

4 hours

Microbiology: Urine

Refrigerator

2 – 8℃

3 hours

Room temperature

15 – 25℃

1 hour

Microbiology: stools

Room temperature

15 – 25℃

1 hour

Microbiology: vaginal samples

Room temperature

15 – 25℃

1 hour

Storage medium

15 – 25℃

2 hours

7.2  Post-analytical storage

After the analyses, the samples are stored for a certain time based on the nature of the test. Sample storage is used to perform controls and do additional on tests without the patient having to repeat the sampling procedure.

 

Type of test

Place

Conditions

Time

Possibility of doing a control test

Hematology

Refrigerator

2°C –  8°C

6 days

Yes, “results with reservation”

Blood smear

Room temperature

15 – 25℃

6 days

Yes, “results without reservation”

ESR (Sedimentation rate)

Samples destroyed after analysis

Coagulation

Room temperature

15 – 25℃

4 hours

Yes, “results with reservation”

Blood and 24h urine chemistry

Refrigerator

2°C –  8°C

6 days

Yes, “results without reservation”

Biochemistry: Spot urine

Room temperature

15 – 25℃

1 day

Yes, “results without reservation”

Biochemistry:

Effusion fluid

Refrigerator

2°C –  8°C

3 days

 

Yes, “results without reservation”

Immunology

Serum bank

-20°C

1 year

Yes, “results without reservation”

Microbiology: Urine microscopy and culture

Room temperature

15 – 25℃

1 day

Yes, “results with reservation”

Microbiology: stool culture

Room temperature

15 – 25℃

1 day

Yes, “results without reservation”

Microbiology: stools for OCP

Room temperature

15 – 25℃

3 days

Yes, “results with reservation”

Introduction Sample manuel

List of laboratory tests

Consent forms

SAMPLE IDENTIFICATION

Urines sample collection procedures

Urgent sample

Skin and appendage samples

Subcontracted tests

Manegement of sempling incident

Manegemtn of blood exposure

Medical Monitoring form Medical

Sample sheet

Sample transport

Waste disposal

Additional tests

Sample storage