A blood sugar test is a procedure that measures the amount of sugar, or glucose, in your blood. Your doctor may order this test to help diagnose diabetes.
Also Known as: Fasting Blood Sugar, FBS, Fasting Blood Glucose, Blood Sugar Fasting, BSF, BSL
Test Panel: Blood Sugar, Fasting Blood Sugar, FBS, Fasting Blood Glucose, FBG, Fasting Plasma Glucose, FPG, Blood Glucose, Oral Glucose Tolerance Test, OGTT, GTT, Urine Glucose

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Tests in Glucose Panel:
BSR, BSL, BSF, OGTT, GTT, GCT, Urine Sugar, HbA1c,
Why Get Tested:
- This test is done to diagnose diabetes mellitus.
- This test is also done to evaluate and monitoring of the patient with diabetes mellitus.
When to Get Tested:
Blood glucose: when you are older than 45 years or have risk factors for diabetes; when you have symptoms suggesting high or low blood glucose; during pregnancy; when you are diabetic, self-checks up to several times a day to monitor blood glucose levels
Sample Required:
- This test can be done on Serum. The serum should be separated within 30 minutes of collection.
- The serum can be stored at 25° C for 8 hours and 72 hours at 4 °C.
- Oxalate blood can also be used. Preservative sodium fluoride may be added.
- The plasma can be stored at 25 °C for 24 hours (when there is preservative sodium fluoride).
Normal Values:
- Fasting Blood Sugar: 74 to 106 mg/dL (4.5 to 5.9 mmol/L)
- Random Blood Sugar: 80 to 120 mg/dl (4.4 to 6.6 mmol/L).
Increase glucose level (Hyperglycemia) seen in:
- Diabetes mellitus, adult and juvenile.
- Physiological causes.
- Strenuous exercise.
- Strong emotions.
- Shock and burns.
- Infections.
- Endocrine disorders.
- Thyrotoxicosis
- Acromegaly and gigantism.
- Pheochromocytoma.
- Cushing’s syndrome.
- Pancreatic diseases.
- Acute and chronic pancreatitis.
- Pancreatitis due to mumps.
- Cystic fibrosis.
- Hemochromatosis.
- Pancreatic cancers.
- other causes are:
- Cerebrovascular accident.
- Chronic liver disease.
- Chronic renal disease.
- Acanthosis nigricans.
Decreased glucose level (Hypoglycemia) seen in:
- Pancreatic disorders.
- Islet Cell Tumor.
- Glucagon deficiency.
- Tumors.
- Adrenal gland carcinoma.
- carcinoma of stomach.
- Fibrosarcoma.
- Liver diseases.
- In poisoning e.g. arsenic, chloroform, carbon tetrachloride, phosphorus, salicylates, antihistamines, phenformin, and alcohol.
- Endocrine disorders.
- Hypopituitarism.
- Addison’s disease.
- hypothyroidism.
- Functional disorders.
- Postgastrectomy.
- Gastroenterostomy.
- Autonomic nervous system disorders.
- Pediatric causes.
- Prematurity.
- Infant diabetic mothers.
- Idiopathic leucine sensitivity.
- Enzyme deficiency.
- Galactosemia.
- Fructose intolerance.
- Von Gierke’s syndrome.
blood sugar test procedures is not seen. why please help
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Please check this link: https://www.labtestsguide.com/sugar-test-method