Vitamin A

What this laboratory test evaluates

DetailsVitamin A (Retinol) is a fat-soluble vitamin crucial for vision, immune function, and cellular growth. It is commonly measured to assess nutritional status, especially in cases of malabsorption, poor diet, or symptoms like night blindness and dry skin.

What type of sample is required for this test?Serum

Test ResourcesFor more information, please consult your healthcare provider.

Additional test information

Vitamin A (Retinol) is a fat-soluble vitamin crucial for vision, immune function, and cellular growth. It is commonly measured to assess nutritional status, especially in cases of malabsorption, poor diet, or symptoms like night blindness and dry skin.

Collection and processing

• Sample type: Serum
• Fasting: No
• Estimated laboratory processing: Results should arrive 4 – 5 business days after the lab receives samples.

How Sunridge uses laboratory information

Sunridge considers the medical question, symptoms, history, medications, prior results, and whether the finding could change care before recommending testing. A laboratory result is not interpreted in isolation and does not establish a diagnosis by itself.

Before requesting this test

Availability, collection requirements, eligibility, and processing estimates can change. Sunridge reviews each request and, when appropriate, creates the order through Fullscript. Follow the current instructions supplied with the approved order.