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ICD-10-CM 2027

ICD-10 code for functional encopresis

F98.1

Encopresis not due to a substance or known physiological condition

✓ Billable / specific

From the official ICD-10-CM alphabetic index entry “Encopresis › functional”. Page updated September 29, 2026.

About coding functional encopresis

The ICD-10-CM code for functional encopresis is F98.1 (Encopresis not due to a substance or known physiological condition).

Within F98 (other behavioral and emotional disorders with onset usually occurring in childhood and adolescence), F98.1 is specifically for Encopresis not due to a substance or known physiological condition. Related codes cover enuresis not due to a substance or known physiological condition (F98.0), other feeding disorders of infancy and childhood (F98.2), Pica of infancy and childhood (F98.3), Stereotyped movement disorders (F98.4), adult onset fluency disorder (F98.5), other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F98.8) and unspecified behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F98.9).

Don't report F98.1 together with the conditions in its Excludes1 note: encopresis NOS (R15.-).

Use an additional code to identify the cause of any coexisting constipation.

Don't confuse with (Excludes1 for F98.1)

  • encopresis NOS (R15.-)

Common questions about functional encopresis ICD-10 codes

What is the ICD-10 code for functional encopresis?

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

Is F98.1 billable?

Yes. F98.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can F98.1 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict F98.1 as a principal diagnosis.

Is F98.1 a CC or MCC?

No. F98.1 is neither a CC nor an MCC under MS-DRG v44.0.