E88.9 – Metabolic disorder, unspecified
ICD-10-CM 2027 diagnosis code · Metabolic disorders
ICD-10-CM code
E88.9
- Code
E88.9(claims format:E889)- Description
- Metabolic disorder, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E70-E88 Metabolic disorders
- Parent codes
- E88
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
E88 – Other and unspecified metabolic disorders
Excludes1 (not coded here):
- histiocytosis X (chronic) (C96.6)
Use additional code:
- codes for associated conditions
Block E70-E88
Excludes1 (not coded here):
Excludes2 (not included here):
- Ehlers-Danlos syndromes (Q79.6-)
Index terms for E88.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Complication, metabolic
- Disturbance, metabolism
- Disorder, metabolism NOS
- Cardiomyopathy, metabolic
- Cataract, in, metabolic disease
- Disturbance, metabolism, general
- Glaucoma, in, metabolic disease NOS
- Myopathy, in, metabolic disease NEC
- Disorder, metabolism NOS, congenital
- Arthropathy, in, metabolic disease NOS
- Disease, diseased, metabolic, metabolism
- Polyneuropathy, in, metabolic disease NEC
- Arthritis, arthritic, in, metabolic disorder NEC
- Arthropathy, hemophilic NEC, in, metabolic disease NOS
- Disease, diseased, skin, due to metabolic disorder NEC
- Neuropathy, neuropathic, peripheral, autonomic, in, metabolic disease NEC
Related codes in E88
- E88.0 – Disorders of plasma-protein metabolism, not elsewhere classifiedHeader
- E88.1 – Lipodystrophy, not elsewhere classifiedHeader
- E88.2 – Lipomatosis, not elsewhere classifiedBillable
- E88.3 – Tumor lysis syndromeBillable
- E88.4 – Mitochondrial metabolism disordersHeader
- E88.8 – Other specified metabolic disordersHeader
- E88.A – Wasting disease (syndrome) due to underlying conditionBillable
Frequently asked questions
What is ICD-10 code E88.9?
E88.9 is the ICD-10-CM code for metabolic disorder, unspecified, in the block E70-E88 (Metabolic disorders).
Is E88.9 a billable code?
Yes. E88.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does E88.9 belong to?
It belongs to category E88 – Other and unspecified metabolic disorders.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.