Do you code mental health cases every day? Are you unsure which ICD-10 code to use? Mental health disorders affect 1 in 5 adults in America annually. Depression alone accounts for 264 million people affected globally each year. Anxiety disorders impact approximately 40 million American adults yearly. Proper ICD-10 coding ensures accurate reimbursement for mental health services.
Mental health ICD-10 codes cover a wide range of disorders. The F-series codes (F01-F99) are used for mental health conditions. Behavioral health ICD-10 codes help track treatment and outcomes effectively. Mental disorder ICD-10 codes require specific documentation for proper selection. Insurance companies review mental health claims closely for coding accuracy. Wrong codes lead to claim denials and delayed payments consistently.
This guide covers common mental health ICD-10 codes clearly. We show when to use each code properly for billing. You will learn documentation requirements for mental health coding practices. Tables make finding the right code easy and fast, always. Proper coding improves practice revenue and reduces claim denials significantly. Mental health professionals need this information for accurate billing daily.
Common Mental Health ICD-10 Codes Overview
Mental health ICD-10 codes range from F01 to F99. Each code category covers specific mental disorders. Understanding code structure helps with accurate selection.
Major Mental Health Code Categories
| Code Range | Category | Common Conditions |
| F10-F19 | Substance use disorders | Alcohol, drug dependence |
| F20-F29 | Schizophrenia spectrum | Psychotic disorders |
| F30-F39 | Mood disorders | Depression, bipolar disorder |
| F40-F48 | Anxiety disorders | Phobias, panic, PTSD |
| F50-F59 | Eating disorders | Anorexia, bulimia |
| F60-F69 | Personality disorders | Borderline, antisocial |
| F80-F89 | Developmental disorders | Autism spectrum |
| F90-F98 | Behavioral disorders | ADHD, conduct disorder |
Depression ICD-10 Codes
Depression is one of the most common mental health diagnoses. The F32 series covers major depressive disorder, single episode. The F33 series covers recurrent major depressive disorder episodes. F32.0 indicates mild major depressive disorder, single episode. F32.1 represents moderate major depressive disorder, single episode. F32.2 shows severe major depressive disorder without psychotic features. F32.9 is unspecified major depressive disorder, single episode.
Anxiety Disorder Codes
Anxiety disorders use the F40 through F48 code series. F41.0 is panic disorder without agoraphobia specifically. F41.1 represents a generalized anxiety disorder diagnosis clearly. F41.9 covers anxiety disorder unspecified, when details are lacking. F43.10 is post-traumatic stress disorder, unspecified type. F40.00 through F40.298 cover specific phobia types thoroughly.
Behavioral Health ICD-10 Codes
Behavioral health ICD-10 codes cover mental health and substance use. These codes document behavioral patterns and disorders.
ADHD and Conduct Disorders
| ICD 10 Code | Condition | Specification |
| F90.0 | ADHD, predominantly inattentive | Inattention symptoms primary |
| F90.1 | ADHD, predominantly hyperactive | Hyperactivity symptoms primary |
| F90.2 | ADHD, combined type | Both symptom types are present |
| F90.9 | ADHD, unspecified | Type not documented |
| F91.1 | Conduct disorder, childhood-onset | Before age 10 |
| F91.2 | Conduct disorder, adolescent-onset | Age 10 or older |
Substance Use Disorder Codes
Substance use disorders range from F10 to F19. Each substance has its own code series available. The F10 series covers alcohol-related disorders specifically. The F11 series is for opioid-related disorders exclusively. The F12 series covers cannabis-related disorders in detail. Code fourth and fifth characters specify the use severity level.
Autism Spectrum Disorder Codes
F84.0 is an autistic disorder diagnosis specifically. F84.5 represents Asperger’s syndrome diagnosis clearly though outdated. F84.9 covers pervasive developmental disorder, unspecified cases. Documentation must include social communication deficits clearly shown.
Mental Disorder ICD-10 Codes by Category
Mental disorder ICD-10 codes are organized by diagnostic category. Each category has specific documentation requirements.
Mood Disorder Codes Table
| Disorder Type | ICD 10 Code | Key Documentation Needs |
| Major depression, single, mild | F32.0 | Episode details, severity |
| Major depression, recurrent, moderate | F33.1 | Multiple episodes documented |
| Bipolar I disorder, current manic | F31.10 | Episode type, severity |
| Bipolar II disorder | F31.81 | Hypomanic and depressive episodes |
| Dysthymic disorder | F34.1 | Chronic symptoms 2+ years |
| Cyclothymic disorder | F34.0 | Mood fluctuations documented |
Psychotic Disorder Codes
Schizophrenia uses the F20 code series exclusively today. F20.0 is a paranoid schizophrenia diagnosis code specifically. F20.1 represents the disorganized schizophrenia type, clearly indicated. F20.9 covers schizophrenia, unspecified, when the type is unknown. Schizoaffective disorder uses F25 series codes only. Brief psychotic disorder is coded as F23.
Trauma and Stress-Related Codes
PTSD codes fall under the F43 series specifically. F43.10 is PTSD unspecified without further detail. F43.11 represents PTSD acute type, less than 3 months. F43.12 is PTSD chronic type lasting 3 months plus. Acute stress disorder uses code F43.0 exclusively. Adjustment disorders range from F43.20 to F43.25 codes.
Conclusion
Mental health ICD-10 codes range from F01 to F99. Common mental health ICD-10 codes include depression and anxiety. Behavioral health ICD-10 codes require specific clinical documentation. Mental disorder ICD-10 codes must match the DSM-5 criteria clearly. Proper documentation supports accurate code selection every time. Following guidelines ensures proper reimbursement and reduces denials.
FAQs
What are the most common mental health ICD-10 codes?
F32.9 is major depressive disorder, unspecified. F41.1 represents generalized anxiety disorder. F90.2 covers ADHD combined type. These three codes are used most frequently in practice.
Where do mental health ICD-10 codes start?
Mental health codes use the F-series codes. They range from F01 to F99 categories. Each range covers specific mental disorder types. The F-series is dedicated to mental and behavioral disorders.
Can I use multiple mental health codes?
Yes, you can code multiple conditions per visit. Code all documented conditions affecting patient care. List the principal diagnosis first on claims. Secondary diagnoses include chronic conditions being managed.
How often do mental health codes change?
ICD-10 codes are updated annually every October 1st. New codes may be added each year. Existing codes may be revised or deleted. Stay current with annual coding updates always.
What if the diagnosis is not yet confirmed?
Use signs and symptoms codes until confirmed. R codes cover symptoms like anxiety or depression. Update to the specific F-code once diagnosis is established.
