Question 1

Is F99 a billable ICD-10 code?

Accepted Answer

Yes, F99 is a valid billable ICD-10-CM code for mental disorder, not otherwise specified. It can be used for medical billing and reimbursement purposes.

Question 2

What does ICD-10 code F99 mean?

Accepted Answer

ICD-10-CM code F99 represents Mental disorder, not otherwise specified. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code F99 introduced?

Accepted Answer

Code F99 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code F99?

Accepted Answer

The parent category for F99 is section:F99 (Unspecified mental disorder (F99)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from F99?

Accepted Answer

Code F99 has Type 1 Excludes (mutually exclusive conditions) including: unspecified mental disorder due to known physiological condition (F09). These conditions cannot be coded together with F99 as they represent different diagnoses.

F992026

Excludes11Not coded together

Excludes21Not included here

Notes1Additional information

Includes1Included conditions

Also Known As10Alternative terms

Is F99 a billable ICD-10 code?

What does ICD-10 code F99 mean?

When was ICD-10 code F99 introduced?

What is the parent category for ICD-10 code F99?

What conditions are excluded from F99?

What DRGs may include ICD-10 code F99?

How common is hospitalization for F99?