Is ICD-10-CM code F45 billable?

No, F45 (Somatoform disorders) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code F45 belong to?

F45 belongs to Chapter 5 of the ICD-10-CM tabular list: F01–F99 (Mental, Behavioral and Neurodevelopmental Disorders).

F45Not billable, use a more specific code below

Somatoform disorders

In Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48), chapter 5: Mental, Behavioral and Neurodevelopmental Disorders

10 billable codes under F45: none are a CC or MCC; none map to an HCC.

Instructional notes

Excludes2: not included here, code separately if applicable

dissociative and conversion disorders (F44.-)
factitious disorders (F68.1-, F68.A)
hair-plucking (F63.3)
lalling (F80.0)
lisping (F80.0)
malingering [conscious simulation] (Z76.5)
nail-biting (F98.8)
psychological or behavioral factors associated with disorders or diseases classified elsewhere (F54)
sexual dysfunction, not due to a substance or known physiological condition (F52.-)
thumb-sucking (F98.8)
tic disorders (in childhood and adolescence) (F95.-)
Tourette's syndrome (F95.2)
trichotillomania (F63.3)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers psychological pain disorders, substance use, abuse, dependence and remission, factitious disorder including Munchausen by proxy, and dementia severity.

Pain disorders related to psychological factors (page 43)
Mental and behavioral disorders due to psychoactive substance use (page 43)
Factitious Disorder (page 44)
Dementia (page 45)

Read Section I.C.5 (page 43)

All codes under F45

F45 can't be used on a claim. Pick a billable code below; grey headings group them.

F45 MS-DRG

As the principal diagnosis, all 10 billable codes under F45 group to MS-DRG 882 (v44.0).

DRG 882 Neuroses Except Depressive

Other codes that refer to F45

Notes on these codes point to F45.

F41 Excludes2: psychophysiologic disorders (F45.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Mental Disorders

Mental disorders (or mental illnesses) are conditions that affect your thinking, feeling, mood, and behavior. They may happen over a short period of time or come and go. Some can be chronic (long-lasting). They can affect your ability to relate to others and function each day..

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.