Billable / Specific Code
ICD-10-CM F39 is the diagnosis code for Unspecified mood [affective] disorder. This code falls under the section "Mood [affective] disorders" within Chapter 5 — Mental, Behavioral and Neurodevelopmental disorders (F01-F99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where F39 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, F39 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
F39 is the ICD-10-CM diagnosis code for "Unspecified mood [affective] disorder". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
F39 is located in Section F30-F39 — "Mood [affective] disorders" within Chapter 5 of the ICD-10-CM Tabular List.
Use F39 when the patients documented diagnosis matches "Unspecified mood [affective] disorder" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Unspecified mood [affective] disorder is F39.
Yes, F39 can be used as a primary diagnosis code since it is billable and specific.
F39 is in Chapter 5 of the ICD-10-CM Tabular List.
Yes, F39 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.