Non-Billable / Non-Specific Code
ICD-10-CM E56 is the diagnosis code for Other vitamin deficiencies. This code falls under the section "Other nutritional deficiencies" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as E56. They are mutually exclusive:
Understanding where E56 sits in the ICD-10-CM classification helps ensure proper coding:
No, E56 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
E56 is the ICD-10-CM diagnosis code for "Other vitamin deficiencies". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
E56 is located in Section E50-E64 — "Other nutritional deficiencies" within Chapter 4 of the ICD-10-CM Tabular List.
E56 has 4 sub-code(s) that provide more specific detail: E56.0, E56.1, E56.8, E56.9.
Use E56 when the patients documented diagnosis matches "Other vitamin deficiencies" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Other vitamin deficiencies is E56.
No, E56 is non-billable. Use a more specific sub-code for primary diagnosis billing.
E56 is in Chapter 4 of the ICD-10-CM Tabular List.
Type 1 Excludes for E56 include: sequelae of other vitamin deficiencies (E64.8).
Yes, E56 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.