2027 ICD-10-CM Diagnosis Code F93.0Separation anxiety disorder of childhood

ICD-10-CM Codes›F01–F99›F90-F98›F93

ICD-10-CM F93.0
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

F93.0 is a billable ICD-10-CM diagnosis code for separation anxiety disorder of childhood. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 882. Coders also document this condition as anxiety disorder of childhood. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Anxiety and fear-related disorders.

F93.0 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 for payment year 2027.

Code Identity

ICD-10-CM Code
F93.0
Billable Status
Yes — Valid for Submission
Code Describes
Separation anxiety disorder of childhood
Short Description
Separation anxiety disorder of childhood
Same as the full description in the CMS dataset.
Parent Code
F93
Emotional disorders with onset specific to childhood

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF90-F98Behavioral and emotional disorders with onset usually occurring in childhood and adolescence
CategoryF93Emotional disorders with onset specific to childhood
This CodeF93.0Separation anxiety disorder of childhood

Medicare Risk Adjustment (HCC)Billing

F93.0 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model, but it maps to payment categories in the other CMS models shown below.

CMS-HCC V28 (Medicare Advantage Payment Model)
Not mapped
no payment category in the model that pays 100% of MA risk scores
Prior Model (CMS-HCC V24)
Not mapped under V24
this diagnosis newly risk-adjusts under the V28 model
Part D (RxHCC)
RxHCC 133 — Anxiety and Other Psychiatric Disorders
also risk-adjusts in the Part D prescription drug model (V08)

Source: CMS Payment Year 2027 risk adjustment mappings and model software. Weights are relative factors, not dollar amounts; a beneficiary's total RAF also includes demographics and interactions. Browse all CMS-HCC categories.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Anxiety disorder of childhood
  • Separation anxiety
  • Separation anxiety disorder of childhood
  • Separation anxiety disorder of childhood, early onset

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to F93.0: its own notes plus those printed at block F90-F98 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.

From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • disorders of psychological development

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.

On F93.0 itself
  • mood [affective] disorders (F30-F39)
  • nonpsychotic mental disorders (F40-F48)
  • phobic anxiety disorder of childhood (F40.8)
  • social phobia (F40.1)
From Chapter 5 (F01-F99) Mental and behavioural disorders applies to 872 codes
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Notes

General instructions on how these codes are used.

From Block F90-F98 Behavioral and emotional disorders with onset usually occurring in childhood and adolescence applies to 33 codes
  • Codes within categories F90-F98 may be used regardless of the age of a patient. These disorders generally have onset within the childhood or adolescent years, but may continue throughout life or not be diagnosed until adulthood

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name F93.0, its category, or a range that includes it.

Excludes2 3

These codes carry an Excludes2 note naming F93.0: its condition is not part of those codes, and both may be reported when the patient has both.

  • F41 Other anxiety disorders
    separation anxiety (F93.0)
  • F43.2 Adjustment disorders
    separation anxiety disorder of childhood (F93.0)
  • F94.0 Selective mutism
    transient mutism as part of separation anxiety in young children (F93.0)

Notes 1

These notes mention F93.0.

  • Block F90-F98 Behavioral and emotional disorders with onset usually occurring in childhood and adolescence
    Codes within categories F90-F98 may be used regardless of the age of a patient. These disorders generally have onset within the childhood or adolescent years, but may continue throughout life or not be diagnosed until adulthood names F90-F98, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MBD005
Anxiety and fear-related disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

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 F93.0 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
309.21 Separation anxiety
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About F93.0Overview

What is the ICD-10 code for separation anxiety disorder of childhood?

The ICD-10-CM code for separation anxiety disorder of childhood is F93.0 (sometimes written as F930). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is F93.0 (Emotional disorders with onset specific to childhood) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report separation anxiety disorder of childhood on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does F93.0 group to?

When separation anxiety disorder of childhood is the principal diagnosis on an inpatient stay, it groups to MS-DRG 882 (neuroses Except Depressive), which carries a relative weight of 0.9953. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of F93.0?

Under the General Equivalence Mappings, separation anxiety disorder of childhood converts to ICD-9-CM 309.21 (separation anxiety). The mapping is a direct match.

Does F93.0 risk-adjust for Medicare Advantage payment?

Not for Medicare Advantage: F93.0 maps to no category in the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 (Anxiety and Other Psychiatric Disorders).