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.

ICD-10 Coding for Hypoxic Ischemic Encephalopathy(P91.60, G93.1, P91.6)

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Comprehensive guide to ICD-10 coding for hypoxic ischemic encephalopathy, including severity-based codes, documentation requirements, and common pitfalls.

Also known as:

HIEPerinatal Asphyxia

Related ICD-10 Code Ranges

Complete code families applicable to Hypoxic Ischemic Encephalopathy

P00-P96Primary Range

Certain conditions originating in the perinatal period

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
P91.60	Hypoxic ischemic encephalopathy, unspecified	Use when the severity of HIE is not documented.	Clinical documentation does not specify severity.
P91.61	Mild hypoxic ischemic encephalopathy	Use when clinical findings indicate mild HIE.	Normal muscle tone and transient irritability resolving within 24 hours.
P91.62	Moderate hypoxic ischemic encephalopathy	Use when clinical findings indicate moderate HIE.	Presence of hypotonia weak suck periodic breathing or seizures.
P91.63	Severe hypoxic ischemic encephalopathy	Use when clinical findings indicate severe HIE.	Decerebrate posture absent gag reflex status epilepticus.

Primary ICD-10-CM Codes

Hypoxic ischemic encephalopathy [HIE], unspecified

P91.60Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Anoxic brain damage, not elsewhere classifiedG93.1

Moderate hypoxic ischemic encephalopathyP91.62

Severe hypoxic ischemic encephalopathyP91.63

Documentation & Coding Risks

Avoid these common issues when documenting Hypoxic Ischemic Encephalopathy.

Omitting severity in documentation

Impact

Clinical: May lead to inappropriate treatment plans., Regulatory: Non-compliance with coding standards., Financial: Potential for reduced reimbursement.

Mitigation

Use standardized templates., Educate providers on documentation requirements.

Using P91.6- codes for adults

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate data on patient demographics.

Mitigation

Use G93.1 for anoxic brain damage in adults.

Not specifying severity of HIE

Impact

Reimbursement: May affect DRG assignment and reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate severity data affecting treatment plans.

Mitigation

Ensure documentation includes severity based on clinical findings.

Severity Documentation

Impact

Lack of severity documentation can lead to audit findings.

Mitigation

Implement mandatory documentation templates.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with P91.60.

Periventricular Leukomalacia→

Primary Code

P91.60

Hypoxic ischemic encephalopathy [HIE], unspecified

Quick Navigation

ICD-10 codes6

Coding risks4

FAQs2

ICD-10 Coding for Hypoxic Ischemic Encephalopathy(P91.60, G93.1, P91.6)

Documentation & Coding Risks

Frequently Asked Questions

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

How is hypoxic ischemic encephalopathy coded in adults?

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