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Glucose; quantitative, blood (except reagent strip)

CPT4 code

Name of the Procedure:

Glucose; quantitative, blood (except reagent strip)
Common Name(s): Blood Glucose Test, Serum Glucose Measurement

Summary

A blood glucose test measures the amount of glucose (sugar) in your blood. It is commonly used to diagnose and manage diabetes and other conditions that affect blood sugar levels.

Purpose

This test is primarily used to identify and monitor diabetes. It helps in assessing how well your body is processing glucose. The goal is to ensure blood sugar levels are maintained within a healthy range to prevent complications.

Indications

  • Symptoms of high blood sugar (hyperglycemia) such as increased thirst, frequent urination, fatigue, and blurred vision.
  • Symptoms of low blood sugar (hypoglycemia) such as sweating, shaking, confusion, and fainting.
  • Routine screening for diabetes, especially in people with risk factors such as obesity, family history, or sedentary lifestyle.

Preparation

  • Patients are usually required to fast for at least 8 hours prior to the test.
  • Inform your healthcare provider about any medications you are taking, as some drugs can affect blood glucose levels.
  • No specific diagnostic tests are required beforehand, but a healthcare provider may review your medical history and symptoms.

Procedure Description

  1. A healthcare professional will use an antiseptic to clean the area on your arm where the blood will be drawn.
  2. A tourniquet is applied above the area to make the veins swell with blood.
  3. A needle is inserted into the vein to collect the blood sample.
  4. After enough blood has been collected, the needle is removed, and the puncture site is covered with a bandage.
  5. The blood sample is sent to a lab for analysis to determine the glucose level.

Duration

The blood draw itself usually takes less than 5 minutes. The entire process, including preparation, may take around 15-20 minutes.

Setting

This procedure can be performed in various settings such as hospitals, outpatient clinics, or diagnostic labs.

Personnel

Typically performed by a phlebotomist, nurse, or lab technician.

Risks and Complications

  • Minor discomfort or pain at the needle site.
  • Slight bruising or bleeding.
  • Rarely, infection at the puncture site or fainting.

Benefits

  • Accurate measurement of blood glucose levels.
  • Assists in the early diagnosis of diabetes and other conditions affecting blood sugar.
  • Aids in the effective management of diabetes.

Recovery

  • Generally, no recovery time is needed.
  • You can resume normal activities immediately after the procedure.
  • Follow any specific instructions provided by your healthcare professional, such as when to eat or take medications.

Alternatives

  • Reagent strip blood tests (less accurate but faster and can be done at home).
  • Continuous glucose monitoring (for ongoing glucose level tracking).
  • Oral glucose tolerance test (more detailed testing for diabetes diagnosis).

Patient Experience

  • You might feel a quick pinch or slight stinging when the needle is inserted.
  • Any discomfort usually subsides quickly.
  • If you experience dizziness or prolonged pain, inform the healthcare provider immediately.

Pain management and comfort measures can include applying a cold compress to the puncture site if there is bruising or soreness afterward.

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