2027 ICD-10-CM Diagnosis Code F80.81Childhood onset fluency disorder
ICD-10-CM Codes›F01–F99›F80-F89›F80
- Billable — Valid for Submission
- Chronic Condition
F80.81 is a billable ICD-10-CM diagnosis code for childhood onset fluency disorder. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 91 through 93. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Neurodevelopmental disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Acquired stammering
- Adult onset stuttering
- Borderline stuttering
- Childhood onset fluency disorder
- Childhood onset stuttering
- Covert stuttering
- Developmental dysfluency
- Developmental expressive language disorder
- Developmental speech fluency disorder
- Disorder of fluency
- Dysfluency
- Idiopathic stammering
- Neurogenic stammering
- Normal non-fluency
- Primary stuttering
- Psychogenic stuttering
- Psychogenic voice disorder
- Secondary stuttering
- Stuttering
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to F80.81: its own notes plus those printed at 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.
- Cluttering NOS
- Stuttering NOS
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
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 F80.81, its category, or a range that includes it.
Excludes1 6
These codes carry an Excludes1 note naming F80.81: they are not reported together with it, unless the two conditions are unrelated.
- F98.5 Adult onset fluency disorderchildhood onset fluency disorder (F80.81)
- R47 Speech disturbances, not elsewhere classifiedcluttering (F80.81)
- R47 Speech disturbances, not elsewhere classifiedstuttering (F80.81)
- R47.82 Fluency disorder in conditions classified elsewherechildhood onset fluency disorder (F80.81)
- R47 Speech disturbances, not elsewhere classifiedspecific developmental disorders of speech and language (F80.-) names F80.-, which includes this code
- Z55 Problems related to education and literacy
Excludes2 1
These codes carry an Excludes2 note naming F80.81: its condition is not part of those codes, and both may be reported when the patient has both.
Use Additional Code 2
These codes say to use an additional code from the note, and F80.81 is one of the codes named.
Code Also 2
These codes say F80.81 may also be needed to fully describe the condition. The note gives no sequencing direction.
- G93.45 Developmental and epileptic encephalopathydevelopmental disorder of speech and language (F80.-) names F80.-, which includes this code
- Z15.1 Genetic susceptibility to epilepsy and neurodevelopmental disordersdevelopmental disorder of speech and language (F80.-) names F80.-, which includes this code
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Cluttering F80.81
Disorder (of) See Also: Disease;
childhood onset F80.81
Stammering See Also: Disorder, fluency; F80.81
Stuttering F80.81
childhood onset F80.81
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Childhood-Onset Fluency Disorder
disturbances in the normal fluency and time patterning of speech that are inappropriate for the individual's age and language skills. (dsm-v)
Patient EducationClinical
Speech and Communication Disorders
Many disorders can affect our ability to speak and communicate. They range from saying sounds incorrectly to being completely unable to speak or understand speech. Causes include:
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert F80.81 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About F80.81Overview
What is the ICD-10 code for childhood onset fluency disorder?
The ICD-10-CM code for childhood onset fluency disorder is F80.81 (sometimes written as F8081). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is F80.81 (Other developmental disorders of speech and language) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report childhood onset fluency disorder on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does F80.81 group to?
When childhood onset fluency disorder is the principal diagnosis on an inpatient stay, it groups to MS-DRG 91, 92, 93, with relative weights from 0.7783 to 1.7050 depending on complications. Higher weights mean higher Medicare reimbursement.
Can F80.81 be reported with F98.5?
Not as a rule. The Excludes1 note on F80.81 lists "adult onset fluency disorder (F98.5)". 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).
What is the ICD-9 equivalent of F80.81?
Under the General Equivalence Mappings, childhood onset fluency disorder converts to ICD-9-CM 315.35 (chldhd onset flncy disor). The mapping is a direct match.
