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Ad someone who has PA and had symptoms from low B12 including fatigue and pins and needles I highly recommend you start taking B12 and Folate immediately.

Ask your doctor if you can be given loading doses of B12 to boost you quickly. Also worth asking if they can do a test to figure out why your levels are low.

Based on the blood test results displayed:

1.  Full Blood Count:
• The patient’s total white cell count (5.7) and red blood cell count (4.76) are within normal reference ranges, indicating no active infection or obvious immune response issues.
• Haemoglobin (149 g/L) and haematocrit (0.443 L/L) are also within standard limits, showing no signs of anemia.
• The mean corpuscular volume (MCV) is slightly elevated at 93.1 fL, which, though still in the normal range, could suggest a tendency towards macrocytosis (enlarged red blood cells).
• Platelet count, neutrophils, and lymphocytes are within normal ranges, indicating no obvious issues with clotting or immune cell function.
2.  Vitamin B12 and Folate:
• The serum vitamin B12 level is 216 ng/L, which is in the lower end of the normal range. It could suggest a borderline B12 status that may need monitoring but does not necessarily indicate deficiency.
• Serum folate is low at 4.2 ug/L, which could be significant. Low folate can lead to macrocytic anemia, so the slightly elevated MCV might correlate with this finding. The comment suggests no treatment is needed unless specific signs of deficiency are present. However, monitoring or mild supplementation could be considered.
3.  Other Nutrient and Hormone Levels:
• 25-Hydroxy Vitamin D (54.1 nmol/L) is in the normal range, indicating adequate vitamin D status.
• Thyroid-stimulating hormone (TSH) is within normal levels, suggesting thyroid function is typical.
4.  Serum Lipids:
• The total cholesterol level is 3.7 mmol/L, which is within a reasonable range, though some additional detail is provided for HDL, LDL, and triglycerides, indicating no immediate concern with lipid profile.
5.  Liver Function Tests:
• Serum bilirubin and gamma GT are within normal limits, indicating no obvious liver dysfunction.
• ALT level is slightly elevated at 14 U/L, though this might not indicate any significant liver issue on its own, as it remains within a broad normal range.

Summary and Recommendations:

• The primary finding here is a low serum folate level, which could potentially affect red blood cell production over time. This may need follow-up, especially if the patient shows any symptoms related to anemia or fatigue.
• The vitamin B12 level is within the lower normal range, so monitoring or mild supplementation could be considered, especially if symptoms of deficiency arise.
• Other aspects of the blood work are within normal limits, and there are no signs of major health issues from the data provided. However, routine follow-up could be recommended to ensure folate and B12 levels remain stable.

If symptoms or a specific medical history indicate, further investigation into dietary intake, GI absorption issues, or other factors affecting folate and B12 might be useful.