E87.8 – Other disorders of electrolyte and fluid balance, not elsewhere classified
ICD-10-CM 2027 diagnosis code · Metabolic disorders
ICD-10-CM code
E87.8
- Code
E87.8(claims format:E878)- Description
- Other disorders of electrolyte and fluid balance, not elsewhere classified
- Short description
- Oth disorders of electrolyte and fluid balance, NEC
- 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
- E87
Notes for E87.8
Applicable to:
- Electrolyte imbalance NOS
- Hyperchloremia
- Hypochloremia
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
E87 – Other disorders of fluid, electrolyte and acid-base balance
Excludes1 (not coded here):
Block E70-E88
Excludes1 (not coded here):
Excludes2 (not included here):
- Ehlers-Danlos syndromes (Q79.6-)
Index terms for E87.8
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Hypochloremia
- Hyperchloremia
- Hyperelectrolytemia
- Disorder, electrolyte
- Electrolyte imbalance
- Imbalance, electrolyte
- Disorder, fluid balance
- Syndrome, disequilibrium
- Disorder, balance, acid-base
- Disorder, balance, fluid NEC
- Disorder, balance, electrolyte
- Disorder, metabolism NOS, sodium
- Disturbance, acid-base equilibrium
- Disturbance, metabolism, sodium NEC
- Decrease, tolerance, salt and water
- Findings, abnormal, inconclusive, without diagnosis, chloride
- Findings, abnormal, inconclusive, without diagnosis, bicarbonate
Related codes in E87
- E87.0 – Hyperosmolality and hypernatremiaBillable
- E87.1 – Hypo-osmolality and hyponatremiaBillable
- E87.2 – AcidosisHeader
- E87.3 – AlkalosisBillable
- E87.4 – Mixed disorder of acid-base balanceBillable
- E87.5 – HyperkalemiaBillable
- E87.6 – HypokalemiaBillable
- E87.7 – Fluid overloadHeader
Frequently asked questions
What is ICD-10 code E87.8?
E87.8 is the ICD-10-CM code for other disorders of electrolyte and fluid balance, not elsewhere classified, in the block E70-E88 (Metabolic disorders).
Is E87.8 a billable code?
Yes. E87.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does E87.8 belong to?
It belongs to category E87 – Other disorders of fluid, electrolyte and acid-base balance.
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.