F06 ICD-10-CM Code: Other mental disorders due to known physiological condition
F06 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · free HCC coding tools
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FY 2026 Apr update / Mental, Behavioral and Neurodevelopmental disorders (F01-F99) / Mental disorders due to known physiological conditions (F01-F09)
F06
Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidanceOther mental disorders due to known physiological condition
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialNo inclusion terms are included in this display for F06. Check the code and parent instructions in the Code Book.
Excludes 2
Official- delirium due to known physiological condition (F05)
- dementia as classified in F01-F02
- other mental disorders associated with alcohol and other psychoactive substances (F10-F19)
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)Inherited from F01-F99
Related Codes
Includes
Official- 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
- disorders of psychological developmentInherited from F01-F99
Excludes 1
Official- unspecified dementia (F03.-)
Code First
Official- the underlying physiological condition
Use Additional
OfficialNo Use Additional Code instructions are included in this display for F06. Check the code and parent instructions in the Code Book.
Code Also
OfficialNo Code Also instructions are included in this display for F06. Check the code and parent instructions in the Code Book.
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
- Code
- F06
- Description
- Other mental disorders due to known physiological condition
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF reference coefficient
- —
- Billable
- No
- Payment year
- 2026
Coder workflow notes
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What This Code Means
F06 is the ICD-10-CM diagnosis code for other mental disorders due to known physiological condition. F06 sits in the ICD-10-CM chapter for mental, behavioral and neurodevelopmental disorders (f01-f99), within the section covering mental disorders due to known physiological conditions (f01-f09).
Header codes like F06 cannot be reported on claims directly; they organize child codes that share clinical context. Coders should select the billable child code that matches the documented presentation and then verify its current source-backed HCC mapping. Do not infer a child code or risk adjustment value from the header alone.
HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for F06 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Includes
- 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
Excludes 1, Do NOT code together
- unspecified dementia (F03.-)
Excludes 2, Not included here, may code separately
Code First
- the underlying physiological condition