2027 ICD-10-CM Diagnosis Code F94.1Reactive attachment disorder of childhood

ICD-10-CM Codes›F01–F99›F90-F98›F94

ICD-10-CM F94.1
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

F94.1 is a billable ICD-10-CM diagnosis code for reactive attachment 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 886. Coders also document this condition as childhood or adolescent disorder of social functioning. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Trauma- and stressor-related disorders.

Code Identity

ICD-10-CM Code
F94.1
Billable Status
Yes — Valid for Submission
Code Describes
Reactive attachment disorder of childhood
Short Description
Reactive attachment disorder of childhood
Same as the full description in the CMS dataset.
Parent Code
F94
Disorders of social functioning with onset specific to childhood and adolescence

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF90-F98Behavioral and emotional disorders with onset usually occurring in childhood and adolescence
CategoryF94Disorders of social functioning with onset specific to childhood and adolescence
This CodeF94.1Reactive attachment disorder of childhood

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Childhood or adolescent disorder of social functioning
  • Mental disorder in infancy
  • Reactive attachment disorder
  • Reactive attachment disorder of early childhood
  • Reactive attachment disorder of infancy
  • Reactive attachment disorder of infancy OR early childhood, disinhibited type
  • Reactive attachment disorder of infancy OR early childhood, inhibited type

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to F94.1: 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

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

  • disinhibited attachment disorder of childhood (F94.2)
  • normal variation in pattern of selective attachment

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 F94.1 itself
  • Asperger's syndrome (F84.5)
  • maltreatment syndromes (T74.-)
  • sexual or physical abuse in childhood, resulting in psychosocial problems (Z62.81-)
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)

Use Additional Code

Add a second code, after this one, to fully describe the condition.

  • code to identify any associated failure to thrive or growth retardation

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 F94.1, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming F94.1: they are not reported together with it, unless the two conditions are unrelated.

  • F94.2 Disinhibited attachment disorder of childhood
    reactive attachment disorder of childhood (F94.1)

Notes 1

These notes mention F94.1.

  • 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 MBD007
Trauma- and stressor-related disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Child Mental Health

It's important to recognize and treat mental illnesses in children early on. Once mental illness develops, it becomes a regular part of your child's behavior. This makes it more difficult to treat.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert F94.1 to ICD-9-CMHistory

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

ICD-9-CM
313.89 Emotional dis child NEC
Approximate The match is approximate rather than exact.

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 F94.1Overview

What is the ICD-10 code for reactive attachment disorder of childhood?

The ICD-10-CM code for reactive attachment disorder of childhood is F94.1 (sometimes written as F941). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is F94.1 a billable code?

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

What MS-DRG does F94.1 group to?

When reactive attachment disorder of childhood is the principal diagnosis on an inpatient stay, it groups to MS-DRG 886 (behavioral and Developmental Disorders), which carries a relative weight of 1.6455. Higher weights mean higher Medicare reimbursement.

Can F94.1 be reported with F94.2?

Not as a rule. The Excludes1 note on F94.1 lists "disinhibited attachment disorder of childhood (F94.2)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

Does F94.1 need an additional code?

When the condition applies, yes. The Use Additional Code note reads: code to identify any associated failure to thrive or growth retardation. The additional code is reported after F94.1.