Serum Folate and Vitamin B12 Test
Health Checkups
estimated about CNY 50-200
(estimated about USD 8-30)
1 day
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Description
The Serum Folate and Vitamin B12 Test helps diagnose deficiency-related anemia or neurological symptoms, with reference costs of ¥8–30 (US$50–200); ChinaMedicalHub assists with hospital booking and interpreter support.
Main Uses
The primary purposes include diagnosing and monitoring treatment for deficiencies, assessing nutritional status, investigating causes of anemia, and evaluating neurological symptoms potentially related to low levels of these vitamins. It is also used in preconception care and during pregnancy to prevent neural tube defects.
Normal Range
For serum folate, the normal range is typically between 2.7 to 17.0 nanograms per milliliter (ng/mL). For vitamin B12, the normal range is generally from 200 to 900 picograms per milliliter (pg/mL).
Low Values - Possible Causes
Deficiency in dietary intake, malabsorption syndromes such as celiac disease or Crohn's disease, alcoholism, and certain medications that interfere with absorption can lead to low values.
High Values - Possible Causes
High values are less common but can be due to excessive supplementation, liver disease, myeloproliferative disorders, or rarely, certain types of leukemia. In some cases, high levels may not indicate a health problem but could suggest over-supplementation.
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