Vitamin B12 Deficiency ICD-10-CM Codes

Use a Vitamin B12 deficiency ICD code when a patient is clinically diagnosed with low B12 levels, supported by lab results or symptoms such as fatigue, cognitive issues, neuropathy, or anemia.

Yes, vitamin B12 deficiency diagnoses are billable. The most specific and commonly used codes are found in the D51 series.

Treatments typically include intramuscular vitamin B12 injections, high-dose oral or sublingual supplements, and addressing underlying causes such as poor diet, malabsorption, or intrinsic factor deficiency.