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ICD-10 Guide
ICD-10 CodesF51.4

F51.4

Billable

Sleep terrors [night terrors]

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 F51.4 is a billable code used to indicate a diagnosis of sleep terrors [night terrors].

Key Diagnostic Point:

Sleep terrors, commonly referred to as night terrors, are a type of parasomnia characterized by episodes of intense fear, screaming, and thrashing during sleep, typically occurring in children but can also affect adults. These episodes usually occur during non-REM sleep, often within the first few hours of falling asleep. Individuals experiencing sleep terrors may appear awake but are actually in a deep state of sleep and are often unresponsive to attempts to comfort them. The episodes can last from a few seconds to several minutes and may be accompanied by physical signs such as rapid heartbeat, sweating, and dilated pupils. Unlike nightmares, which occur during REM sleep and can be recalled upon waking, individuals typically have no memory of the event after the episode concludes. Sleep terrors can be triggered by factors such as sleep deprivation, stress, fever, or certain medications. While they are generally benign and may resolve with age, persistent cases may require further evaluation and management to address underlying issues or coexisting sleep disorders.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between sleep terrors and other sleep disorders like nightmares or sleepwalking.
  • Understanding the age-related prevalence and variations in presentation.
  • Identifying potential triggers and comorbid conditions.
  • Documenting the frequency and duration of episodes accurately.

Audit Risk Factors

  • Inadequate documentation of episode frequency and severity.
  • Failure to differentiate between sleep terrors and other sleep disorders.
  • Lack of documentation regarding potential triggers or comorbid conditions.
  • Misuse of the code in cases where the patient has a different sleep disorder.

Specialty Focus

Medical Specialties

Sleep Medicine

Documentation Requirements

Detailed sleep history, including frequency and duration of episodes, triggers, and any associated symptoms.

Common Clinical Scenarios

Patients presenting with recurrent episodes of night terrors, often reported by parents or caregivers.

Billing Considerations

Consideration of comorbid sleep disorders and the impact of sleep hygiene on treatment.

Pediatrics

Documentation Requirements

Thorough developmental history and parental reports of sleep behavior.

Common Clinical Scenarios

Children with frequent night terrors, often requiring reassurance and education for parents.

Billing Considerations

Monitoring for potential psychological stressors or sleep deprivation in the child.

Coding Guidelines

Inclusion Criteria

Use F51.4 When
  • According to ICD
  • 10 guidelines, F51
  • 4 should be used when the clinical presentation aligns with the definition of sleep terrors
  • It is important to document the nature of the episodes and any associated factors

Exclusion Criteria

Do NOT use F51.4 When
  • Exclusion criteria include conditions that may mimic sleep terrors, such as seizures

Related ICD-10 Codes

Related CPT Codes

95806CPT Code

Polysomnography

Clinical Scenario

Used to evaluate sleep disorders, including sleep terrors.

Documentation Requirements

Detailed sleep history and referral notes indicating the need for sleep study.

Specialty Considerations

Sleep specialists should ensure comprehensive evaluation of sleep architecture.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of sleep disorders, including sleep terrors, which enhances the ability to track and manage these conditions more effectively. The granularity of ICD-10 codes helps in better understanding the prevalence and treatment outcomes of sleep terrors.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of sleep disorders, including sleep terrors, which enhances the ability to track and manage these conditions more effectively. The granularity of ICD-10 codes helps in better understanding the prevalence and treatment outcomes of sleep terrors.

Reimbursement & Billing Impact

impact on daily functioning. Clear documentation is essential for justifying the use of F51.4 in claims.

Resources

Clinical References

  • •
    American Academy of Sleep Medicine

Coding & Billing References

  • •
    American Academy of Sleep Medicine

Frequently Asked Questions

What are the common triggers for sleep terrors?

Common triggers for sleep terrors include sleep deprivation, stress, fever, and certain medications. Identifying and managing these triggers can help reduce the frequency of episodes.