F98.1 Encopresis not due to a substance or known physiological condition

✓ Billable ICD-10-CM 2026
Open F98.1 in Web App →

The ICD-10-CM code for Encopresis not due to a substance or known physiological condition is F98.1 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
F90-F98: Behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F90-F98)
Category F98
11 codes (9 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to F98.1:

  • Encopresis › nonorganic origin
  • Encopresis › functional
  • Encopresis › psychogenic
  • Loss (of) › control, sphincter, rectum › nonorganic origin
  • Incontinence › feces › nonorganic origin
Excludes1
Not coded here. These conditions should NOT be coded together with F98.1.
  • encopresis NOS (R15.-)
Use Additional Code
  • code to identify the cause of any coexisting constipation.

Inclusion Terms

  • Functional encopresis
  • Incontinence of feces of nonorganic origin
  • Psychogenic encopresis

U.S. Hospital Utilization

  • An estimated 120 U.S. inpatient stays in 2023 included F98.1 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Pain disorders related to psychological factors (TOC entry)

a. Pain disorders related to psychological factors ..................................................................... 43

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.5.a
Psychoactive substance use disorders (TOC entry)

b. Mental and behavioral disorders due to psychoactive substance use ................................... 43

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.5.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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