Non-Billable / Non-Specific Code
ICD-10-CM F33 is the diagnosis code for Major depressive disorder, recurrent. This code falls under the section "Mood [affective] disorders" within Chapter 5 — Mental, Behavioral and Neurodevelopmental disorders (F01-F99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as F33. They are mutually exclusive:
Understanding where F33 sits in the ICD-10-CM classification helps ensure proper coding:
No, F33 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
F33 is the ICD-10-CM diagnosis code for "Major depressive disorder, recurrent". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
F33 is located in Section F30-F39 — "Mood [affective] disorders" within Chapter 5 of the ICD-10-CM Tabular List.
F33 has 7 sub-code(s) that provide more specific detail: F33.0, F33.1, F33.2, F33.3, F33.4 and more.
Use F33 when the patients documented diagnosis matches "Major depressive disorder, recurrent" 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 Major depressive disorder, recurrent is F33.
No, F33 is non-billable. Use a more specific sub-code for primary diagnosis billing.
F33 is in Chapter 5 of the ICD-10-CM Tabular List.
Type 1 Excludes for F33 include: bipolar disorder (F31.-); manic episode (F30.-).
Yes, F33 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.