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Home/Diagnosis/ICD-10 Coding for Anoxia

ICD-10 Coding for Anoxia

G93.1
I46.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for anoxia includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Anoxic brain injury
Hypoxic brain injury
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Key Information: ICD-10 Coding for Anoxia

Essential facts and insights about ICD-10 Coding for Anoxia

Use ICD-10 code G93.1 for anoxic brain damage, not elsewhere classified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Anoxic brain damage, not elsewhere classified

Billable Code
G93.1
Billable

Diagnostic Criteria

  • • ABG shows PaO₂ <60 mmHg with neurological deficits
  • • EEG shows diffuse slowing without focal lesions

Applicable To

  • • Anoxic brain injury

Important Notes

  • • Ensure to document the cause and manifestations of anoxia clearly.

Cardiac arrest, cause unspecified

Billable Code
I46.9
Billable

Diagnostic Criteria

  • • EMS records show pulselessness >4 minutes prior to ROSC

Applicable To

  • • Cardiac arrest

Important Notes

  • • Sequence cardiac arrest code before anoxic brain injury code.
Ancillary Codes

Additional codes that may be used with this diagnosis

R40.2-

Coma scales

Document Glasgow Coma Scale ≤8.

Frequently Asked Questions

What is the ICD-10 code for anoxic brain injury?

The ICD-10 code for anoxic brain injury is G93.1, used for acquired anoxic injury without a specific etiology.

How to code anoxia due to cardiac arrest?

Code I46.9 for cardiac arrest followed by G93.1 for anoxic brain injury to reflect the sequence of events.

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