ICD10BillableValid for clinical use

ICD-10 Code F98.1: Encopresis not due to a substance or known physiological condition

F98.1 is a billable ICD-10 diagnosis code used to classify Encopresis not due to a substance or known physiological condition 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 encopresis not due to a substance or known physiological condition 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
F90-F98Behavioral and emotional disorders with onset usually occurring in childhood and adolescence
category
F98Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence
currentF98

Official coding notes

Inclusion terms
  • Functional encopresis
  • Incontinence of feces of nonorganic origin
  • Psychogenic encopresis
Applicable to
  • code to identify the cause of any coexisting constipation.
Excludes1 (do not code together)
  • encopresis NOS (R15.-)
Use additional code
  • code to identify the cause of any coexisting constipation.

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.

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
F98.1

Common synonyms

Encopresis not due to a substance or known physiological condition

Frequently asked questions

Code details

CodeF98.1
SystemICD10
Display nameEncopresis not due to a substance or known physiological condition
ChapterMental, Behavioral and Neurodevelopmental disorders (F01-F99)
BlockBehavioral and emotional disorders with onset usually occurring in childhood and adolescence

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
EncopresisEncopresisEncopresisIncontinenceLoss(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 F98.1 for Encopresis not due to a substance or known physiological condition | HealthAssure