What are the 9 vitamin tests?

Vitamins are essential nutrients for the human body. If the human body lacks vitamins, some adverse reactions will occur, affecting human health. Many people do not take in enough vitamins every day and are in a sub-healthy state without knowing it. Therefore, you can check to see if the human body is deficient in vitamins. What are the 9 vitamin tests? Let’s take a look at it next.

1. Normal value

Vitamin A, Retinol. Normal situation: 0.5-2.1μmol/L.

Vitamin B1, Thiamin. Normal condition: serum 0.0-75.4nmol/L, whole blood 41.5-108.9nmol/L.

Normal level of vitamin B6: 14.6-72.8nmol/L.

Vitamin B12, cyanocobalamin normal levels: 118-959pmol/L for newborns and 162-694pmol/L for adults.

Normal levels of folic acid and folate: 15.9-72.5 nmol/L for newborns;

Adults: 4.1-20.4nmol/L; >60 years: 4.5-27.2nmol/L.

Vitamin C, ascorbic acid normal: 34-114μmol/L

Vitamin D, normal: 25-dihydroxyvitamin D

Adults: 5.0-11.8 nmol/L;

Children 3.1-10.8 nmol/L; 25-hydroxyvitamin D

38-200nmol/L in summer;

35-105nmol/L in winter; 1.25-dihydroxyvitamin D

Adults: 58-108pmol/L; >60 years old: 41-77pmol/L.

Vitamin E, tocopherol normal level: 11.6-46.4μmol/L.

Normal vitamin K test: 2.88±1.4nmol/L (X±ISD).

2. Clinical significance

Vitamin tests can help us understand the types and total amount of vitamins in the body. Vitamin deficiency can cause vitamin deficiency. Therefore, vitamin testing can play a role in disease diagnosis and prevention.

Abnormal results: Vitamin A, retinol, not within the range of 0.5-2.1μmol/L.

Vitamin B1, thiamine, not present in serum 0.0-75.4 nmol/L

Whole blood range: 41.5-108.9nmol/L.

Vitamin B6 is not in the range of 14.6-72.8nmol/L.

Vitamin B12, cyanocobalamin, absent neonates 118-959 pmol/L

The range for adults is 162-694pmol/L.

Folic acid, folate is absent in newborns 15.9-72.5nmol/L;

Adults: 4.1-20.4nmol/L; >60 years: 4.5-27.2nmol/L.

Vitamin C, ascorbic acid is not between 34-114μmol/L. scope.

Vitamin D, 25-dihydroxyvitamin D is absent, 5.0-11.8 nmol/L for adults;

Children 3.1-10.8 nmol/L; 25-hydroxyvitamin D

38-200nmol/L in summer;

35-105nmol/L in winter; 1.25-dihydroxyvitamin D

Adults: 58-108pmol/L; >60 years old: 41-77pmol/L.

Vitamin E, tocopherol, is not in the range of 11.6-46.4 μmol/L.

Vitamin K test was not within the range of 2.88±1.4nmol/L (X±ISD).

People who need to be checked: People who have symptoms of vitamin deficiency, including blurred vision, night blindness, etc.

3. Notes

Inappropriate groups: None.

Contraindications before examination: None.

Requirements during examination: Actively cooperate with the doctor's work arrangements.

IV. Inspection process

The symptoms of vitamin deficiency or excess can be diagnosed through inspection, and the vitamin deficiency or excess can be understood by measuring the vitamin content in the blood.

5. Related diseases

Mononeuropathy and plexus neuropathy, late-onset vitamin K deficiency in children, vitamin B2 deficiency, vitamin D poisoning, vitamin B6 dependence syndrome, vitamin A hypervitaminosis, selective vitamin B12 malabsorption syndrome in children, vitamin B6 deficiency in children, vitamin B2 deficiency in children, vitamin A deficiency in children

6. Related symptoms

Purpura, infants need a larger amount of vitamin B6, vitamin E deficiency, vitamin K deficiency, vitamin B deficiency, vitamin B1 deficiency, vitamin D poisoning, fat-soluble vitamin deficiency, vitamin D deficiency in children, vitamin C deficiency