ICD-10-CM
ICD-10 code for Night terrors (child): F51.4
The ICD-10-CM index points "Night terrors (child)" to F51.4, Sleep terrors [night terrors]. F51.4 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in F51
A header groups codes and is not billed. A billable code is one you can report.
- F51Sleep disorders not due to a substance or known physiological conditionHeader
- F51.0Insomnia not due to a substance or known physiological conditionHeader
- F51.01Primary insomniaBillable
- F51.02Adjustment insomniaBillable
- F51.03Paradoxical insomniaBillable
- F51.04Psychophysiologic insomniaBillable
- F51.05Insomnia due to other mental disorderBillable
- F51.09Other insomnia not due to a substance or known physiological conditionBillable
- F51.1Hypersomnia not due to a substance or known physiological conditionHeader
- F51.11Primary hypersomniaBillable
- F51.12Insufficient sleep syndromeBillable
- F51.13Hypersomnia due to other mental disorderBillable
- F51.19Other hypersomnia not due to a substance or known physiological conditionBillable
- F51.3Sleepwalking [somnambulism]Billable
- F51.4Sleep terrors [night terrors]Billable
- F51.5Nightmare disorderBillable
- F51.8Other sleep disorders not due to a substance or known physiological conditionBillable
- F51.9Sleep disorder not due to a substance or known physiological condition, unspecifiedBillable
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From F51. A note on a category applies to every code under it.
Related conditions
Related pages
- F51.4 code detailsNotes, nearby codes, CMS-HCC group
- Category F51Every code under it
- Chapter 5Mental, behavioral and neurodevelopmental disorders
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Night terrors (child)?
The ICD-10-CM index points "Night terrors (child)" to F51.4, Sleep terrors [night terrors]. F51.4 is a billable code.
Is F51.4 billable?
Yes. F51.4 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to F51.4?
The CDC tabular list gives 1 Excludes2 note (may be coded together when both are documented) for F51.4 and the categories above it. They are listed on this page.
What chapter is F51.4 in?
Chapter 5. Mental, behavioral and neurodevelopmental disorders.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.