Sodium
(Na)

Sample type :

serum

Uses:

• Measure the level of sodium in the blood .

• Detect the cause and help monitor treatment in people with dehydration or excess fluid buildup.

• Help detect, evaluate and monitor electrolyte imbalances and/or acid -base(ph) imbalances (acidosis or alkalosis)

Precautions:

No special precautions.

Interfering factors :

• Sodium levels depend greatly on the intake and excretion of water.

• Hyperglycemic: Serum sodium decrease 1,7 mEq/L for every increase of glucose of 100 mg/ dl

Pre – analytical errors

1. Unlabeled or mislabeled specimen

2. If the tube broken in centrifuge.

The Corrective action:

1. Reject the sample and another one is requested.

2. Another sample is obtained

Post analytical errors

Send wrong results to the patient.

The Corrective action

you must communicate with the patient and apologize for this mistake and sent the right report.

Reference range

Adult: 137 -145 mmol/l