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Pre-bariatric procedure screening recommendations.
| Routine Screening | Optional Screening | |
|---|---|---|
| Iron studies | Vitamin A | Red blood cell folate |
| Vitamin B12 (Cobalamin) | Vitamin E | Homocysteine |
| Vitamin B9 (Folic Acid) | Vitamin K | Methylmalonic Acid |
| Vitamin D 25-OH | Zinc | Vitamin B6 (Pyridoxine) |
| Vitamin B1 (Thiamine) | Copper | Parathyroid hormone (PTH) |
| Selenium | Vitamin B2 (Riboflavin) | |
