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ICD-10 Coding for Hypovolemic Hyponatremia(E87.1, E86.1)

Complete ICD-10-CM coding and documentation guide for Hypovolemic Hyponatremia. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Volume Depletion HyponatremiaHyponatremia due to Hypovolemia

Related ICD-10 Code Ranges

Complete code families applicable to Hypovolemic Hyponatremia

E86-E87Primary Range

Disorders of fluid, electrolyte and acid-base balance

This range includes codes for volume depletion and electrolyte imbalances, which are central to hypovolemic hyponatremia.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
E87.1Hypo-osmolality and hyponatremiaUse when hyponatremia is confirmed by lab results and is the primary condition being treated.
  • Serum sodium <135 mmol/L
  • Symptoms of hyponatremia such as confusion or seizures
E86.1HypovolemiaUse when hypovolemia is documented as the cause of hyponatremia.
  • Clinical signs of hypovolemia such as orthostatic hypotension, tachycardia
  • Urine sodium <30 mmol/L

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for hypovolemic hyponatremia

Essential facts and insights about Hypovolemic Hyponatremia

The ICD-10 code for hypovolemic hyponatremia is E87.1, with E86.1 to specify hypovolemia.

Primary ICD-10-CM Codes for hypovolemic hyponatremia

Hypo-osmolality and hyponatremia
Billable Code

Decision Criteria

clinical Criteria

  • Presence of low serum sodium levels confirmed by lab tests.

documentation Criteria

  • Documentation must specify 'hypovolemic hyponatremia'.

Applicable To

  • Hyponatremia

Excludes

Clinical Validation Requirements

  • Serum sodium <135 mmol/L
  • Symptoms of hyponatremia such as confusion or seizures

Code-Specific Risks

  • Incorrectly using without confirming hyponatremia through lab tests.

Coding Notes

  • Ensure documentation specifies the type of hyponatremia and its underlying cause.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Hypovolemia

E86.1
Use alongside E87.1 when hypovolemia is the underlying cause of hyponatremia.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Hypernatremia

E87.0
Hypernatremia involves elevated sodium levels, whereas hyponatremia involves low sodium levels.

Dehydration

E86.0
Dehydration involves loss of water, whereas hypovolemia involves loss of both water and sodium.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Hypovolemic Hyponatremia to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code E87.1.

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with coding standards., Financial: Potential for reduced reimbursement.

Mitigation Strategy

Ensure thorough documentation of clinical findings., Use templates to guide documentation.

Impact

Reimbursement: May lead to lower reimbursement due to lack of specificity., Compliance: Non-compliance with coding guidelines requiring specificity., Data Quality: Reduces accuracy of clinical data.

Mitigation Strategy

Always pair E87.1 with a code that specifies the cause, such as E86.1 for hypovolemia.

Impact

Risk of audits due to lack of specificity in coding hyponatremia.

Mitigation Strategy

Ensure documentation clearly specifies the type and cause of hyponatremia.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Hypovolemic Hyponatremia, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Hypovolemic Hyponatremia

Use these documentation templates to ensure complete and accurate documentation for Hypovolemic Hyponatremia. These templates include all required elements for proper coding and billing.

Emergency Department Admission

Specialty: Emergency Medicine

Required Elements

  • Chief complaint
  • Clinical findings
  • Lab results
  • Treatment plan

Example Documentation

Patient presents with weakness and dizziness. Labs show Na 126 mmol/L, urine Na 18 mmol/L. Diagnosed with hypovolemic hyponatremia. Plan: IV fluids and monitor electrolytes.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Hyponatremia due to vomiting.
Good Documentation Example
Hypovolemic hyponatremia due to vomiting: Na 126 mmol/L, urine Na 18 mmol/L, orthostatic hypotension.
Explanation
The good example specifies the type of hyponatremia and provides lab results and clinical findings.

Need help with ICD-10 coding for Hypovolemic Hyponatremia? Ask your questions below.

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