Insulin

The Insulin test measures the level of insulin, a hormone produced by the pancreas, in the blood. Insulin is crucial for regulating blood glucose levels by facilitating the uptake of glucose into cells for energy production. It plays a key role in maintaining stable blood sugar levels and overall metabolic balance.

This test is often used to diagnose and monitor conditions related to insulin production and glucose metabolism, such as Type 1 diabetes, Type 2 diabetes, and insulin resistance. Elevated insulin levels may indicate insulin resistance or conditions like polycystic ovary syndrome (PCOS), while low levels can suggest insufficient insulin production, as seen in Type 1 diabetes.

Monitoring insulin levels helps healthcare providers assess pancreatic function, evaluate glucose control, and guide treatment strategies, including adjustments to medications, diet, and lifestyle, to manage diabetes and related conditions effectively. Regular testing is important for maintaining optimal blood glucose levels and supporting overall health.

Sample Requirements:
Gold SST Tube

Stability:

Serum: 4 hours at 20-25 °C, 2 days at 2-8 °C,
6 months at -20 °C (± 5 °C)

Turnaround Time:
4 hours

Critical Value:
Not Applicable

Assay Interferences:
Recovery within ± 10 %

Bilirubin: ≤ 1539 µmol/L or ≤ 90 mg/dL

Hemoglobin: Hemolysis interferes, as insulin-degrading peptidases are released from erythrocytes.

Intralipid: ≤ 1800 mg/dL

Biotin: ≤ 246 nmol/L or ≤ 60 ng/mL

Rheumatoid Factors: ≤ 1200 IU/mL

Reference Range (pmol/L):
11.11 - 75.7