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Home/Diagnosis/ICD-10 Coding for Hypoxic Ischemic Encephalopathy

ICD-10 Coding for Hypoxic Ischemic Encephalopathy

P91.60
P91.61
P91.62

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

Also Known as:
HIE
Perinatal Asphyxia
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Key Information: ICD-10 Coding for Hypoxic Ischemic Encephalopathy

Essential facts and insights about ICD-10 Coding for Hypoxic Ischemic Encephalopathy

Use ICD-10 code P91.60 for hypoxic ischemic encephalopathy, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Hypoxic ischemic encephalopathy, unspecified

Billable Code
P91.60
Billable

Diagnostic Criteria

documentation:
  • Severity of HIE is not documented.

Applicable To

  • • Unspecified severity of HIE

Important Notes

  • • Ensure severity is documented to avoid using unspecified code.

Mild hypoxic ischemic encephalopathy

Billable Code
P91.61
Billable

Diagnostic Criteria

documentation:
  • Normal muscle tone and transient irritability resolving within 24 hours.

Applicable To

  • • Mild HIE with transient symptoms

Important Notes

  • • Ensure documentation supports mild severity.

Moderate hypoxic ischemic encephalopathy

Billable Code
P91.62
Billable

Diagnostic Criteria

documentation:
  • Presence of hypotonia, weak suck, periodic breathing, or seizures.

Applicable To

  • • Moderate HIE with seizures or abnormal EEG

Important Notes

  • • Document all clinical findings to support moderate severity.

Severe hypoxic ischemic encephalopathy

Billable Code
P91.63
Billable

Diagnostic Criteria

documentation:
  • Decerebrate posture, absent gag reflex, status epilepticus.

Applicable To

  • • Severe HIE with decerebrate posture or status epilepticus

Important Notes

  • • Ensure documentation supports severe symptoms.
Ancillary Codes

Additional codes that may be used with this diagnosis

P21.0

Severe birth asphyxia

Use when birth asphyxia is the underlying cause.

Frequently Asked Questions

What is the ICD-10 code for hypoxic ischemic encephalopathy?

The ICD-10 codes for hypoxic ischemic encephalopathy range from P91.60 to P91.63, depending on the severity: unspecified, mild, moderate, or severe.

How is hypoxic ischemic encephalopathy coded in adults?

For adults, anoxic brain damage is coded as G93.1, as P91.6- codes are specific to neonatal cases.

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