ICD-10 Coding for Low Sodium(E87.1, P74.22)
Complete ICD-10-CM coding and documentation guide for Low Sodium. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Low Sodium
E87.0-E87.9Primary Range
Disorders of fluid, electrolyte and acid-base balance
This range includes codes for electrolyte imbalances such as hyponatremia.
Other transitory neonatal electrolyte and metabolic disturbances
This range is relevant for neonatal cases of hyponatremia.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| E87.1 | Hyponatremia | Use when serum sodium is below 135 mmol/L and documented as hyponatremia. |
|
| P74.22 | Neonatal hyponatremia | Use for neonates with documented low sodium levels. |
|
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 low sodium
Essential facts and insights about Low Sodium
Primary ICD-10-CM Codes for low sodium
Decision Criteria
clinical Criteria
- Serum sodium <135 mmol/L with symptoms
documentation Criteria
- Explicit documentation of hyponatremia
Applicable To
- Low sodium
Excludes
- Hypernatremia (E87.0)
Clinical Validation Requirements
- Serum sodium <135 mmol/L
- Symptoms such as confusion, seizures
Code-Specific Risks
- Ensure documentation supports the diagnosis with lab values.
Coding Notes
- Ensure accurate documentation of serum sodium levels and any related symptoms.
P74.22 - Neonatal hyponatremia
Use for neonates with documented low sodium levels.
Applicable To
- Low sodium in neonates
Excludes
- Neonatal hypernatremia (P74.21)
Clinical Validation Requirements
- Serum sodium <135 mmol/L in neonates
Coding Notes
Document neonatal age and serum sodium levels.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Low Sodium 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 misdiagnosis., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.
Mitigation Strategy
Educate providers on documentation standards., Implement documentation audits.
Impact
Reimbursement: May lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.
Mitigation Strategy
Ensure lab results are documented in the patient's record.
Impact
Lack of documented lab values can lead to audit issues.
Mitigation Strategy
Ensure all lab results are included in patient records.
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 Low Sodium, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Low Sodium
Use these documentation templates to ensure complete and accurate documentation for Low Sodium. These templates include all required elements for proper coding and billing.
Hyponatremia due to SIADH
Specialty: EndocrinologyRequired Elements
- Patient history
- Lab results
- Diagnosis
- Treatment plan
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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