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    v1.0.28
    OpenPayerBilling CodesMetabolic disordersICD-10-CM e86-volume-depletion
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    ICD-10-CM Code For Volume Depletion: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group E86 includes diagnoses related to volume depletion and hypovolemia, covering conditions caused by fluid loss such as dehydration from gastrointestinal losses, diuretic overuse, or blood loss. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving reduced circulating volume, hemodynamic compromise, and associated fluid and electrolyte disturbances. Accurate coding within the ICD-10-CM E86 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM E86: Volume Depletion Overview

    The ICD-10-CM E86 group describes volume depletion conditions characterized by decreased circulating blood volume, often due to fluid loss from vomiting, diarrhea, diuretics, or hemorrhage. These diagnoses target fluid and electrolyte homeostasis and the cardiovascular consequences of hypovolemia. Accurate coding is important for reflecting clinical severity and ensuring appropriate reimbursement and resource allocation.

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    When to Use

    Use a code from this group when a patient has documented hypovolemia or dehydration with clinical evidence of decreased circulating volume or related complications. Select codes that reflect the underlying cause and severity as documented in the clinical record.

    ICD-10-CM Codes

    3 rows

    ICD-10-CM CodeDescription
    E86.0Dehydration
    E86.1Hypovolemia
    E86.9Volume depletion, unspecified

    DRG Codes

    4 rows

    DRG CodeDescription
    640Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes with MCC
    641Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes without MCC
    791Prematurity with Major Problems
    793Full Term Neonate with Major Problems

    Typical Clinical Scenarios

    • An elderly nursing home resident with decreased oral intake over several days, confusion, orthostatic hypotension, tachycardia, and elevated serum BUN/creatinine ratio presents to the emergency department after a fall. The clinician documents volume loss due to poor hydration and initiates fluid resuscitation and electrolyte monitoring; a volume depletion diagnosis is assigned to capture the acute extracellular fluid deficit from inadequate intake. Typical codes: E86.0, E86.9.
    • An adult patient on a loop diuretic for chronic heart failure reports progressive lightheadedness, muscle cramps, and a weight loss of several pounds after dose escalation and increased diuresis; evaluation shows hypovolemia and prerenal azotemia. The visit focuses on diuretic-induced fluid loss as the precipitant, so a volume depletion code is used to indicate the drug-related reduction in circulating volume complicating their chronic condition. Typical codes: E86.1, E86.9.
    • A child presents to urgent care with profuse vomiting and diarrhea from acute gastroenteritis, demonstrating dry mucous membranes, sunken eyes, and delayed capillary refill; the clinician documents degree of dehydration and starts oral or intravenous rehydration. Because the primary problem is acute fluid loss from gastrointestinal losses leading to extracellular fluid deficit, an acute volume depletion code is assigned. Typical codes: E86.0, E86.9.

    Related Codes

    E70-DISORDERS-OF-AROMATIC-AMINO-ACID-METABOLISM

    ICD-10-CM Code For Disorders Of Aromatic Amino-Acid Metabolism: Group Overview

    E71-DISORDERS-OF-BRANCHED-CHAIN-AMINO-ACID-METABOLISM

    ICD-10-CM Code For Disorders Of Branched Chain Amino Acid Metabolism And Fatty Acid Metabolism: Group Overview

    E72-OTHER-DISORDERS-OF-AMINO-ACID-METABOLISM

    ICD-10-CM Code For Other Disorders Of Amino-Acid Metabolism: Group Overview

    E73-LACTOSE-INTOLERANCE

    ICD-10-CM Code For Lactose Intolerance: Group Overview

    E74-OTHER-DISORDERS-OF-CARBOHYDRATE-METABOLISM

    ICD-10-CM Code For Other Disorders Of Carbohydrate Metabolism: Group Overview

    E75-DISORDERS-OF-SPHINGOLIPID-METABOLISM

    ICD-10-CM Code For Disorders Of Sphingolipid Metabolism And Other Lipid Storage Disorders: Group Overview

    E76-DISORDERS-OF-GLYCOSAMINOGLYCAN-METABOLISM

    ICD-10-CM Code For Disorders Of Glycosaminoglycan Metabolism: Group Overview

    E77-DISORDERS-OF-GLYCOPROTEIN-METABOLISM

    ICD-10-CM Code For Disorders Of Glycoprotein Metabolism: Group Overview

    E78-DISORDERS-OF-LIPOPROTEIN-METABOLISM

    ICD-10-CM Code For Disorders Of Lipoprotein Metabolism And Other Lipidemias: Group Overview

    E79-DISORDERS-OF-PURINE-AND-PYRIMIDINE-METABOLISM

    ICD-10-CM Code For Disorders Of Purine And Pyrimidine Metabolism: Group Overview

    Showing 1–10 of 16

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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