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Any diagnostic evaluation should be targeted at the specific vitamin deficiency suspected and not a general screen. Most vitamin deficiencies are nutritional in origin and may be corrected with supplemented vitamins.
The most reliable and direct method of diagnosing folate deficiency is the determination of folate levels in both erythrocytes and serum. Low folic acid levels, however, can also be the result of a primary Vitamin B12 deficiency that decreases the ability of cells to take up folic acid.
13 cze 2024 · Offer an initial diagnostic test (total or active B 12) for suspected deficiency to people who have at least one common symptom or sign and at least one common risk factor for the condition.
For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services. Vitamin B12 (Cobalamin) - B12 is decreased in pernicious anemia, total or partial gastrectomy, malabsorption and certain congenital and biochemical disorders.
Pernicious Anemia Diagnostic Panel - This panel tests for anti-intrinsic factor antibodies, vitamin B12, and methylmalonic acid (MMA) and can be used to identify pernicious anemia as the cause of vitamin B12 deficiency.
Z13.21 is a billable diagnosis code used to specify encounter for screening for nutritional disorder. View Z13.21 free coding rules and guidelines, index references, ICD List 2024-2025 Edition
15 wrz 2017 · Screening and Diagnosis. Screening persons at average risk of vitamin B 12 deficiency is not recommended. 17 Screening should be considered in patients with risk factors, and diagnostic...
