F45.9
✓ Billable
Somatoform disorder, unspecified
ICD-10-CM · FY2026 · Mental, Behavioral and Neurodevelopmental Disorders
Code
F45.9
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Mental, Behavioral and Neurodevelopmental Disorders
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code F45.9?
ICD-10-CM code F45.9 represents Somatoform disorder, unspecified. It is a billable diagnosis code in the Mental, Behavioral and Neurodevelopmental Disorders chapter, effective October 1, 2025 – September 30, 2026.
Is F45.9 billable?
Yes. F45.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is F45.9 in?
F45.9 belongs to the Mental, Behavioral and Neurodevelopmental Disorders chapter (F01–F99) of ICD-10-CM.
Related codes in the F45 category
F45
Somatoform disorders
Non-billable
F45.0
Somatization disorder
Billable
F45.1
Undifferentiated somatoform disorder
Billable
F45.2
Hypochondriacal disorders
Non-billable
F45.4
Pain disorders related to psychological factors
Non-billable
F45.8
Other somatoform disorders
Billable
F45.20
Hypochondriacal disorder, unspecified
Billable
F45.21
Hypochondriasis
Billable
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