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F06.30 · Billable

2026 ICD-10-CM Diagnosis Code F06.30

Mood disorder due to known physiological condition, unspecified

About F06.30

Code

F06.30

Description

Mood disorder due to known physiological condition, unspecified

Billable

Yes — billable on its own

Parent code

F06 (Other mental disorders due to known physiological condition)

Category

F01-F09 — Mental disorders due to known physiological conditions

Set

ICD-10-CM 2026

Clinical context

Inherited from F06 (Other mental disorders due to known physiological condition)

ICD-10-CM code F06 covers other mental disorders due to known physiological condition within the F01-F09 range (mental disorders due to known physiological conditions). Use the most specific leaf code that matches the documented clinical presentation — the parent code is a navigational header, not a billable code on its own. Documentation should capture symptom onset, course, severity, and functional impact. Where applicable, attach a validated screening instrument score (PHQ-9, GAD-7, PCL-5, or equivalent) and note any comorbid conditions in the same encounter.

Code details

Code attributes

  • Non-billable/Non-specific code

Coding rules

  • Specify the leaf code — the parent code (e.g. F32) is a navigational header; billing requires a leaf code (F32.0, F32.1, etc.) that matches the documented presentation.
  • Document onset, course, and severity (mild / moderate / severe) plus functional impact. Payers use this combination when adjudicating medical necessity.
  • Attach a validated instrument score (PHQ-9, GAD-7, PCL-5, or equivalent) at intake and at follow-up where applicable. Objective measures support code selection and continued authorization.
  • Review at every visit and update if presentation changes — including remission and partial remission states.

Sources

  • Centers for Medicare & Medicaid Services — 2026 ICD-10-CM
  • AAPC — ICD-10-CM Code Lookup
  • CDC — ICD-10-CM Official Guidelines for Coding and Reporting

This reference is provided for billing and documentation guidance only. It is not medical advice. For clinical decision-making, consult the current CMS ICD-10-CM Official Guidelines for Coding and Reporting, and verify code applicability against the patient's documented clinical findings.

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