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Vitamin B12 Absorption Test With Stomach Protein

Hawaii rates for HCPCS 78271

This covers a nuclear medicine test that uses a small amount of radioactive vitamin B12 combined with a stomach protein called intrinsic factor, which the body normally needs to absorb B12. Measuring how much of this combined tracer is absorbed helps doctors determine whether a B12 absorption problem is caused by a lack of intrinsic factor, such as in pernicious anemia, or by another cause in the intestine. This test is used to help investigate low vitamin B12 levels.

Rates data updated July 2026.

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