ICD10BillableValid for clinical use

ICD-10 Code F89: Unspecified disorder of psychological development

F89 is a billable ICD-10 diagnosis code used to classify Unspecified disorder of psychological development in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Mental, Behavioral and Neurodevelopmental disorders (F01-F99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Mental, Behavioral and Neurodevelopmental disorders (F01-F99).

When is it used?

  • May be used when a clinician documents unspecified disorder of psychological development in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
block
F80-F89Pervasive and specific developmental disorders
currentF80-F89

Official coding notes

Inclusion terms
  • Developmental disorder NOS
  • Neurodevelopmental disorder NOS

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

PsychiatristClinical Psychologist

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
F89

Common synonyms

Unspecified disorder of psychological development

Frequently asked questions

Code details

CodeF89
SystemICD10
Display nameUnspecified disorder of psychological development
ChapterMental, Behavioral and Neurodevelopmental disorders (F01-F99)
BlockPervasive and specific developmental disorders

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Disorder(of)Disorder(of)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code F89 for Unspecified disorder of psychological development | HealthAssure