F98.1 is the authoritative medical code for Encopresis not due to a substance or known physiological condition. This classification is used in medical billing and clinical recording to specify the clinical criteria for encopresis not due to a substance or known physiological condition (ICD-10-CM F98.1), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Encopresis not due to a substance or known physiological condition is a billable ICD-10-CM diagnosis code F98.1. Inclusion terms: Functional encopresis; Incontinence of feces of nonorganic origin; Psychogenic encopresis. Excludes1 (not coded here): encopresis NOS R15.-. Excludes2 (not included here): breath-holding spells R06.89; gender identity disorder of childhood F64.2; Kleine-Levin syndrome G47.13; obsessive-compulsive disorder F42.-; sleep disorders not due to a substance or known physiological condition F51.-. Use additional code: code to identify the cause of any coexisting constipation..
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for F98.1 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Functional encopresis
- Incontinence of feces of nonorganic origin
- Psychogenic encopresis
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- breath-holding spells R06.89
- gender identity disorder of childhood F64.2
- Kleine-Levin syndrome G47.13
- obsessive-compulsive disorder F42.-
- sleep disorders not due to a substance or known physiological condition F51.-
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code to identify the cause of any coexisting constipation.
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with F98.1?
Per official ICD-10-CM Excludes1 instructions, F98.1 must not be reported together with: encopresis NOS (R15.-).
Can F98.1 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, F98.1 and the following are not considered part of each other and may both be reported when both conditions are present: breath-holding spells (R06.89); gender identity disorder of childhood (F64.2); Kleine-Levin syndrome (G47.13); obsessive-compulsive disorder (F42.-).
Is an additional code needed with F98.1?
Use additional code(s) to specify: code to identify the cause of any coexisting constipation..
What conditions are included under F98.1?
Encopresis not due to a substance or known physiological condition includes: Functional encopresis; Incontinence of feces of nonorganic origin; Psychogenic encopresis.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to F98.1 in its code family, with their registry titles.
- F98 — Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence
- F98.0 — Enuresis not due to a substance or known physiological condition
- F98.2 — Other feeding disorders of infancy and childhood
- F98.21 — Rumination disorder of infancy and childhood
- F98.29 — Other feeding disorders of infancy and early childhood
- F98.3 — Pica of infancy and childhood
- F98.4 — Stereotyped movement disorders
- F98.5 — Adult onset fluency disorder
- F98.8 — Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
- F98.9 — Unspecified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
Indexed Clinical Terms (5)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Encopresis, functional
- Encopresis, nonorganic origin
- Encopresis, psychogenic
- Incontinence, feces, nonorganic origin
- Loss (of), control, sphincter, rectum, nonorganic origin