E88.9
Billable codeMetabolic disorder, unspecified
The ICD-10 code for metabolic disorder, unspecified is E88.9.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E88.0Disorders of plasma-protein metabolism, not elsewhere classifiednon-billable header
- E88.1Lipodystrophy, not elsewhere classifiednon-billable header
- E88.2Lipomatosis, not elsewhere classified
- E88.3Tumor lysis syndrome
- E88.4Mitochondrial metabolism disordersnon-billable header
- E88.8Other specified metabolic disordersnon-billable header
- E88.AWasting disease (syndrome) due to underlying condition
- E88.9Metabolic disorder, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2779Approximate match
- 27789Approximate match
Associated MS-DRGs
E88.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.