ICD-10-CM
ICD-10 code for Hyperosmolality: E87.0
The closest CDC title for "Hyperosmolality" is E87.0, Hyperosmolality and hypernatremia. E87.0 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under E87, then other CDC titles that name hyperosmolality and hypernatremia
A header groups codes and is not billed. A billable code is one you can report.
- E87Other disorders of fluid, electrolyte and acid-base balanceHeader
- E87.0Hyperosmolality and hypernatremiaBillable
- E87.1Hypo-osmolality and hyponatremiaBillable
- E87.2AcidosisHeader
- E87.20Acidosis, unspecifiedBillable
- E87.21Acute metabolic acidosisBillable
- E87.22Chronic metabolic acidosisBillable
- E87.29Other acidosisBillable
- E87.3AlkalosisBillable
- E87.4Mixed disorder of acid-base balanceBillable
- E87.5HyperkalemiaBillable
- E87.6HypokalemiaBillable
- E87.7Fluid overloadHeader
- E87.70Fluid overload, unspecifiedBillable
- E87.71Transfusion associated circulatory overloadBillable
- E87.79Other fluid overloadBillable
- E87.8Other disorders of electrolyte and fluid balance, not elsewhere classifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
From E87. A note on a category applies to every code under it.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
Related conditions
Related pages
- E87.0 code detailsNotes, nearby codes, CMS-HCC group
- Category E87Every code under it
- Chapter 4Endocrine, nutritional and metabolic diseases
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Hyperosmolality?
The closest CDC title for "Hyperosmolality" is E87.0, Hyperosmolality and hypernatremia. E87.0 is a billable code.
Is E87.0 billable?
Yes. E87.0 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to E87.0?
The CDC tabular list gives 5 Excludes1 notes (not coded together), 1 Excludes2 note (may be coded together when both are documented) for E87.0 and the categories above it. They are listed on this page.
What chapter is E87.0 in?
Chapter 4. Endocrine, nutritional and metabolic diseases.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.