266.9
Unspecified vitamin B deficiency
The ICD-9 code for unspecified vitamin b deficiency is 266.9.
Legacy code — retired October 1, 2015ICD-10-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents.
View ICD-9 → ICD-10 crosswalk for 266.9 →