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ICD-10 Coding for Anoxic Brain Injury(G93.1)

Complete ICD-10-CM coding and documentation guide for Anoxic Brain Injury. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Cerebral AnoxiaAnoxic EncephalopathyHypoxic-Ischemic Encephalopathy

Related ICD-10 Code Ranges

Complete code families applicable to Anoxic Brain Injury

G93.1Primary Range

Anoxic brain damage, not elsewhere classified

This code is used for documenting anoxic brain damage when it is the primary condition.

Asphyxiation due to hanging

Used when anoxic injury results from hanging, indicating a traumatic cause.

Toxic encephalopathy

Used when anoxic injury is due to toxic exposure, requiring sequencing with poisoning codes.

Key Information: ICD-10 code for anoxic brain injury

Essential facts and insights about Anoxic Brain Injury

The ICD-10 code for anoxic brain injury is G93.1, applicable when the injury is primary and non-traumatic.

Primary ICD-10-CM Code for anoxic brain injury

Anoxic brain damage, not elsewhere classified
Billable Code

Decision Criteria

clinical Criteria

  • Confirmed anoxic injury with imaging and lab results

coding Criteria

  • Primary condition without traumatic mechanism

documentation Criteria

  • Detailed documentation of cause and duration

Applicable To

  • Cerebral anoxia
  • Anoxic encephalopathy

Excludes

  • Neonatal anoxia
  • Anoxia due to anesthesia

Clinical Validation Requirements

  • MRI showing diffuse cortical injury
  • EEG findings of burst-suppression
  • ABG showing severe hypoxia

Code-Specific Risks

  • Confusion with hypoxic brain injury
  • Incorrect sequencing with primary etiology

Coding Notes

  • Ensure documentation specifies the cause and duration of anoxia.

Ancillary Codes

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

Coma scale

R40.2-
Use to document the level of consciousness in anoxic brain injury.

Seizures

R56.9
Use when seizures are present as a result of anoxic injury.

Differential Codes

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

Hypoxia

R09.02
Use for partial oxygen deprivation, not total anoxia.

Diffuse traumatic brain injury

S06.2
Use for brain injury due to trauma, not anoxia.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Anoxic Brain Injury to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code G93.1.

Impact

Clinical: Leads to incomplete clinical picture., Regulatory: Non-compliance with coding standards., Financial: Potential loss of reimbursement due to incorrect DRG assignment.

Mitigation Strategy

Always document the cause and duration of anoxia., Use templates to ensure completeness.

Impact

Reimbursement: Incorrect coding can lead to DRG misclassification., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Ensure documentation specifies total oxygen deprivation for G93.1.

Impact

Failure to sequence etiology before anoxic injury can lead to audit flags.

Mitigation Strategy

Use decision trees and templates to ensure correct sequencing.

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 Anoxic Brain Injury, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Anoxic Brain Injury

Use these documentation templates to ensure complete and accurate documentation for Anoxic Brain Injury. These templates include all required elements for proper coding and billing.

Post-cardiac arrest anoxic brain injury

Specialty: Neurology

Required Elements

  • Etiology of anoxia
  • Duration of hypoxia
  • Imaging results
  • Level of consciousness

Example Documentation

Patient experienced anoxic brain injury secondary to cardiac arrest. MRI shows diffuse cortical injury. Coma scale: GCS 6.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has brain injury after cardiac arrest.
Good Documentation Example
Patient presents with anoxic brain injury secondary to cardiac arrest. MRI confirms diffuse cortical injury. GCS 6.
Explanation
The good example provides specific etiology, imaging confirmation, and consciousness level.

Need help with ICD-10 coding for Anoxic Brain Injury? Ask your questions below.

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