ICD-10-CM Diagnosis Code E53.9
Diagnosis Code: E53.9 (Raw: E539)
Description: Vitamin B deficiency, unspecified
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting.
Overview & Clinical Details
ICD-10-CM code E53.9 is designated for Vitamin B deficiency, unspecified. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.