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ICD-10 Coding for Neurogenic Orthostatic Hypotension(G90.3, I95.1)

Complete ICD-10-CM coding and documentation guide for Neurogenic Orthostatic Hypotension. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Neurocardiogenic Orthostatic HypotensionAutonomic Orthostatic Hypotension

Related ICD-10 Code Ranges

Complete code families applicable to Neurogenic Orthostatic Hypotension

G90.3Primary Range

Neurogenic orthostatic hypotension

Primary code for autonomic dysfunction-related orthostatic hypotension.

Orthostatic hypotension

Used for non-neurogenic orthostatic hypotension.

Syncope and collapse

Used for acute episodes of syncope.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
G90.3Neurogenic orthostatic hypotensionUse when autonomic dysfunction is confirmed as the cause of orthostatic hypotension.
  • Tilt-table test showing BP drop without HR compensation
  • Autonomic testing indicating sympathetic failure
I95.1Orthostatic hypotensionUse for orthostatic hypotension without autonomic dysfunction.
  • BP drop with HR increase ≥15 bpm

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 neurocardiogenic orthostatic hypotension

Essential facts and insights about Neurogenic Orthostatic Hypotension

The ICD-10 code for neurogenic orthostatic hypotension is G90.3, used when autonomic dysfunction is the cause.

Primary ICD-10-CM Codes for neurocardiogenic orthostatic hypotension

Neurogenic orthostatic hypotension
Billable Code

Decision Criteria

clinical Criteria

  • BP drop ≥20/10 mmHg with ΔHR/ΔSBP <0.5

documentation Criteria

  • Document autonomic dysfunction or related neurological condition

Applicable To

  • Autonomic failure
  • Pure autonomic failure

Excludes

  • Non-neurogenic orthostatic hypotension (I95.1)

Clinical Validation Requirements

  • Tilt-table test showing BP drop without HR compensation
  • Autonomic testing indicating sympathetic failure

Code-Specific Risks

  • Misclassification with non-neurogenic hypotension
  • Omitting documentation of autonomic dysfunction

Coding Notes

  • Ensure documentation includes autonomic testing results.

Ancillary Codes

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

Parkinson’s disease

G20
Use when Parkinson’s disease is an underlying cause.

Differential Codes

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

Orthostatic hypotension

I95.1
Use for non-neurogenic causes with appropriate HR compensation.

Neurogenic orthostatic hypotension

G90.3
Use when autonomic dysfunction is present.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Neurogenic Orthostatic Hypotension to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code G90.3.

Impact

Clinical: Misdiagnosis of hypotension type., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation Strategy

Ensure HR response is documented with BP changes, Use templates for consistent documentation

Impact

Reimbursement: Incorrect DRG assignment may affect reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Use G90.3 when autonomic dysfunction is confirmed.

Impact

Using I95.1 instead of G90.3 for neurogenic cases.

Mitigation Strategy

Educate staff on autonomic dysfunction documentation.

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 Neurogenic Orthostatic Hypotension, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Neurogenic Orthostatic Hypotension

Use these documentation templates to ensure complete and accurate documentation for Neurogenic Orthostatic Hypotension. These templates include all required elements for proper coding and billing.

Neurogenic Orthostatic Hypotension in Parkinson’s Disease

Specialty: Neurology

Required Elements

  • BP measurements in different positions
  • HR response documentation
  • Autonomic testing results

Example Documentation

68M with Parkinson’s disease presents with recurrent presyncope. Tilt-table testing showed sustained BP drop from 140/90 supine to 85/50 upright at 2 mins (Δ55/40 mmHg) with HR increase of 5 bpm. Autonomic reflex screen confirms sympathetic adrenergic failure.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has low BP when standing.
Good Documentation Example
Daily presyncope within 60 seconds of standing, BP 110/70 supine → 75/45 standing (Δ35/25 mmHg), HR 70→72 bpm. Diagnosed with pure autonomic failure per abnormal thermoregulatory sweat test.
Explanation
The good example provides specific BP and HR measurements and confirms autonomic failure.

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