F07.81
Postconcussional syndrome
F07.81 (also written F0781) is a billable ICD-10-CM diagnosis code for postconcussional syndrome. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 4 codes in category F07 (Personality and behavioral disorders due to known physiological condition). The Alphabetic Index lists it under 19 entries. Its coding notes include a Code first instruction, a Use additional code instruction, a Code also instruction, 2 Excludes1 entries and 1 Excludes2 entry.
Code first
If the underlying condition listed here is present and known, sequence it first.
- the underlying physiological condition
Use additional code
Add the listed code as a secondary code, if known.
- code to identify associated post-traumatic headache, if applicable (G44.3-)
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
- , if applicable, sequela of concussion (S06.0X- with seventh character S)
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (1 note)
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
IRF 60% Rule
On the CMS list of diagnoses used to determine presumptive compliance with the IRF 60 percent rule.
Source: CMS IRF Presumptive Compliance-3, FY 2027 IRF PPS final rule files, effective for discharges on or after October 1, 2026Includes
Further defines or gives examples of the content of the category.
Also from chapter/block level (1 note)
- disorders of psychological development
Inclusion terms
Conditions classified to this code.
- Postcontusional syndrome (encephalopathy)
- Post-traumatic brain syndrome, nonpsychotic
Notes
Also from chapter/block level (1 note)
- This block comprises a range of mental disorders grouped together on the basis of their having in common a demonstrable etiology in cerebral disease, brain injury, or other insult leading to cerebral dysfunction. The dysfunction may be primary, as in diseases, injuries, and insults that affect the brain directly and selectively; or secondary, as in systemic diseases and disorders that attack the brain only as one of the multiple organs or systems of the body that are involved.
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 19 entries
- Concussion (brain) (cerebral) (current), syndrome
- Disorder (of), mental (or behavioral) (nonpsychotic), following organic brain damage, postconcussional syndrome
- Disorder (of), postconcussional
- Encephalopathy (acute), in (due to) (with), trauma (postconcussional)
- Encephalopathy (acute), postcontusional
- Encephalopathy (acute), traumatic (postconcussional)
- Encephalosis, posttraumatic
- Post-traumatic brain syndrome, nonpsychotic
- Postconcussional syndrome
- Postcontusional syndrome
- Psychopathy, psychopathic, constitution, post-traumatic
- Punch drunk