F07.81 Postconcussional syndrome

The ICD-10-CM code for Postconcussional syndrome is F07.81 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

5: Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

Section

F01-F09: Mental disorders due to known physiological conditions (F01-F09)

Category F07

6 codes (4 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to F07.81:

• Postcontusional syndrome
• Post-traumatic brain syndrome, nonpsychotic
• Punch drunk
• Encephalosis, posttraumatic
• Postconcussional syndrome
• Encephalopathy (acute) › postcontusional
• Disorder (of) › postconcussional
• Concussion (brain) (cerebral) (current) › syndrome

Inclusion Terms

• Postcontusional syndrome (encephalopathy)
• Post-traumatic brain syndrome, nonpsychotic

U.S. Hospital Utilization

• An estimated 14,730 U.S. inpatient stays in 2023 included F07.81 among the documented diagnoses.
• 1,820 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Pain disorders related to psychological factors (TOC entry)

a. Pain disorders related to psychological factors ..................................................................... 43

Psychoactive substance use disorders (TOC entry)

b. Mental and behavioral disorders due to psychoactive substance use ................................... 43

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)