2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of Blood And Blood-Forming Organs 280-289 > Other Deficiency Anemias 281.* > 2006 ICD-9-CM Diagnosis 281.1 Other vitamin b12 deficiency anemia View the most recent version of ICD-9-CM 281.1 281.1 is a specific code that can be used to specify a diagnosis 281.1 contains 8 index entries View the ICD-9-CM Volume 1 281.* hierarchy Alternate Terminology Anemia: vegan's vitamin B12 deficiency (dietary) due to selective vitamin B12 malabsorption with proteinuria Syndrome: Imerslund's Imerslund-Gräsbeck 281.1 Excludes combined system disease without mention of anemia (266.2) subacute degeneration of spinal cord without mention of anemia (266.2)  Index entries containing 281.1: Anemia 285.9 deficiency 281.9 vitamin B12 NEC 281.1 dietary 281.1 pernicious 281.0 due to selective vitamin B12 malabsorption with proteinuria 281.1 malabsorption (familial), selective B12 with proteinuria 281.1 Vegan's 281.1 vitamin B12 deficiency (dietary) 281.1 pernicious 281.0 Imerslund (-Gräsbeck) syndrome (anemia due to familial selective vitamin B12 malabsorption) 281.1 Syndrome - see also Disease Imerslund (-Gräsbeck) (anemia due to familial selective vitamin B12 malabsorption) 281.1