vitamin b12 injection drug information Best Site: Administering B12 Shots Rx Vitamin B-12 (Generic) Injectable

This service is billed using CPT code 94664

For pernicious anemia, lifelong B12 supplementation, often via injections, is standard

More specifically, IV infusions and/or injections of any substance in excess of 100 mL per 12-hour period are prohibited at all times , except for those legitimately received in the course of hospital treatment, surgical procedures, or clinical diagnostic investigations

[1] People who regularly take medications that suppress stomach acid for conditions like gastroesophageal reflux disease (GERD) or peptic ulcer diseasesuch as proton-pump inhibitors, H2 blockers, or other antacidsmay have difficulty absorbing vitamin B12 from food

This shortcut creates confusion between D53.9 (nutritional anemia unspecified), D51.x (vitamin B12 deficiency anemia), and D64.9 (anemia unspecified) three codes that represent very different clinical realities in the ICD-10-CM system