F06.3 – Mood disorder due to known physiological condition
ICD-10-CM 2027 diagnosis code · Mental disorders due to known physiological conditions
- Code
F06.3(claims format:F063)- Description
- Mood disorder due to known physiological condition
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- Block
- F01-F09 Mental disorders due to known physiological conditions
- Parent codes
- F06
Billable codes under F06.3
F06.3 is a header code and cannot be used on claims. Choose the most specific code:
- F06.30 – Mood disorder due to known physiological condition, unspecifiedBillable
- F06.31 – Mood disorder due to known physiological condition with depressive featuresBillable
- F06.32 – Mood disorder due to known physiological condition with major depressive-like episodeBillable
- F06.33 – Mood disorder due to known physiological condition with manic featuresBillable
- F06.34 – Mood disorder due to known physiological condition with mixed featuresBillable
Notes for F06.3
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
F06 – Other mental disorders due to known physiological condition
- mental disorders due to endocrine disorder
- mental disorders due to exogenous hormone
- mental disorders due to exogenous toxic substance
- mental disorders due to primary cerebral disease
- mental disorders due to somatic illness
- mental disorders due to systemic disease affecting the brain
- unspecified dementia (F03.-)
- the underlying physiological condition
Block F01-F09
- 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.
Related codes in F06
- F06.0 – Psychotic disorder with hallucinations due to known physiological conditionBillable
- F06.1 – Catatonic disorder due to known physiological conditionBillable
- F06.2 – Psychotic disorder with delusions due to known physiological conditionBillable
- F06.4 – Anxiety disorder due to known physiological conditionBillable
- F06.7 – Mild neurocognitive disorder due to known physiological conditionHeader
- F06.8 – Other specified mental disorders due to known physiological conditionBillable
Frequently asked questions
What is ICD-10 code F06.3?
F06.3 is the ICD-10-CM code for mood disorder due to known physiological condition, in the block F01-F09 (Mental disorders due to known physiological conditions).
Is F06.3 a billable code?
No. F06.3 is a header code with more specific child codes; report one of the billable codes listed above.
What category does F06.3 belong to?
It belongs to category F06 – Other mental disorders due to known physiological condition.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.