ICD-10-CM
F99 - Mental disorder, not otherwise specified
Code
F99 - Mental disorder, not otherwise specified
[Billable]
[Billable]
Includes
- Mental illness NOS
Not Coded Here
- unspecified mental disorder due to known physiological condition (F09)
Code Tree
Citation
"F99 - Mental Disorder, Not Otherwise Specified." ICD-10-CM ICD-10-CM, 10th ed., Centers for Medicare and Medicaid Services and the National Center for Health Statistics, 2027. ICD-10-CM, www.unboundmedicine.com/icd/view/ICD-10-CM/903172/all/F99___Mental_disorder__not_otherwise_specified.
F99 - Mental disorder, not otherwise specified. ICD-10-CM ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2027. https://www.unboundmedicine.com/icd/view/ICD-10-CM/903172/all/F99___Mental_disorder__not_otherwise_specified. Accessed October 1, 2026.
F99 - Mental disorder, not otherwise specified. (2027). In ICD-10-CM ICD-10-CM (10th ed.). Centers for Medicare and Medicaid Services and the National Center for Health Statistics. https://www.unboundmedicine.com/icd/view/ICD-10-CM/903172/all/F99___Mental_disorder__not_otherwise_specified
F99 - Mental Disorder, Not Otherwise Specified [Internet]. In: ICD-10-CM ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2027. [cited 2026 October 01]. Available from: https://www.unboundmedicine.com/icd/view/ICD-10-CM/903172/all/F99___Mental_disorder__not_otherwise_specified.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - F99 - Mental disorder, not otherwise specified
ID - 903172
BT - ICD-10-CM
UR - https://www.unboundmedicine.com/icd/view/ICD-10-CM/903172/all/F99___Mental_disorder__not_otherwise_specified
PB - Centers for Medicare and Medicaid Services and the National Center for Health Statistics
ET - 10
DB - ICD-10-CM
DP - Unbound Medicine
ER -
