ICD-10 Code E53 – Deficiency of other B group vitamins (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code E53 – Deficiency of other B group vitamins
What it is
E53 identifies deficiency of B vitamins not classified elsewhere. Use it when the record documents a specific B-group vitamin shortage and no more specific ICD-10 code applies.
Clinical signs
Clinical features vary by the vitamin involved and may include fatigue, neurologic symptoms, glossitis, or dermatitis. Check documentation for the exact deficiency and supporting clinical findings.
When to use this code
Use E53 when the provider diagnoses deficiency of a B group vitamin and does not name a more specific vitamin deficiency code. It also fits when the chart states a nonspecific B-vitamin deficiency or multiple B-vitamin deficiency without further detail.
If the documentation identifies the exact vitamin, code that specific deficiency instead. If the record is unclear, check documentation before assigning E53.
Do not use for
Do not use this code for folate deficiency, vitamin B12 deficiency, or other separately coded vitamin deficiencies. Avoid it when the chart provides a more specific diagnosis.
Coding tip
Code E53 only when the provider documents an unspecified or other B-group vitamin deficiency and no more specific option is supported.