2027 ICD-10-CM Diagnosis Code F41.9Anxiety disorder, unspecified
ICD-10-CM Codes›F01–F99›F40-F48›F41
- Billable — Valid for Submission
- Chronic Condition
F41.9 is a billable ICD-10-CM diagnosis code for anxiety disorder, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 880. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Anxiety and fear-related disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Anxiety
- Anxiety about behavior or performance
- Anxiety about resuming sexual relations
- Anxiety disorder
- Anxiety disorder due to severe acute respiratory syndrome coronavirus 2
- Anxiety disorder in mother complicating childbirth
- Anxiety disorder in pregnancy
- Anxiety due to dementia
- Anxiety in pregnancy
- Anxiety state
- Chronic anxiety
- Level of anxiety
- Mental disorder in mother complicating childbirth
- Moderate anxiety
- Postpartum anxiety
- Psychological disorder during pregnancy
- Recurrent anxiety
- Reduced level of anxiety
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to F41.9: its own notes plus those printed at F41 and Chapter 5. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- disorders of psychological development
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Anxiety NOS
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name F41.9, its category, or a range that includes it.
Excludes2 3
These codes carry an Excludes2 note naming F41.9: its condition is not part of those codes, and both may be reported when the patient has both.
- F06.4 Anxiety disorder due to known physiological conditionanxiety disorders, not due to known physiological condition or unspecified (F40.-, F41.-) names F41.-, which includes this code
- F90 Attention-deficit hyperactivity disordersanxiety disorders (F40.-, F41.-) names F41.-, which includes this code
- F93.0 Separation anxiety disorder of childhood
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Anxiety F41.9
Disorder (of) See Also: Disease;
anxiety F41.9
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Anxiety Disorders
persistent and disabling anxiety.
Patient EducationClinical
Anxiety
Anxiety is a feeling of fear, dread, and uneasiness. It might cause you to sweat, feel restless and tense, and have a rapid heartbeat. It can be a normal reaction to stress. For example, you might feel anxious when faced with a difficult problem at work, before taking a test, or before making an important decision.
The full article covers:
- What is anxiety?
- What are anxiety disorders?
- What are the types of anxiety disorders?
- What causes anxiety disorders?
- Who is at risk for anxiety disorders?
- What are the symptoms of anxiety disorders?
- How are anxiety disorders diagnosed?
- What are the treatments for anxiety disorders?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert F41.9 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About F41.9Overview
What is the ICD-10 code for anxiety disorder, unspecified?
The ICD-10-CM code for anxiety disorder, unspecified is F41.9 (sometimes written as F419). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is F41.9 (Other anxiety disorders) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report anxiety disorder, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does F41.9 group to?
When anxiety disorder, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 880 (acute Adjustment Reaction and Psychosocial Dysfunction), which carries a relative weight of 0.9306. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of F41.9?
Under the General Equivalence Mappings, anxiety disorder, unspecified converts to ICD-9-CM 300.00 (anxiety state NOS). The mapping is a direct match.
