Non-Billable / Non-Specific Code
ICD-10-CM E88 is the diagnosis code for Other and unspecified metabolic disorders. This code falls under the section "Metabolic disorders" 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 E88. They are mutually exclusive:
Understanding where E88 sits in the ICD-10-CM classification helps ensure proper coding:
No, E88 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
E88 is the ICD-10-CM diagnosis code for "Other and unspecified metabolic disorders". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
E88 is located in Section E70-E88 — "Metabolic disorders" within Chapter 4 of the ICD-10-CM Tabular List.
E88 has 8 sub-code(s) that provide more specific detail: E88.0, E88.1, E88.2, E88.3, E88.4 and more.
Use E88 when the patients documented diagnosis matches "Other and unspecified metabolic disorders" 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 and unspecified metabolic disorders is E88.
No, E88 is non-billable. Use a more specific sub-code for primary diagnosis billing.
E88 is in Chapter 4 of the ICD-10-CM Tabular List.
Type 1 Excludes for E88 include: histiocytosis X (chronic) (C96.6).
Yes, E88 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.